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The old ‘Chicken, Fox and Grain' riddle goes a little something like this…
The farmer needs to get across the river, but he can only take thing at a time with him in the boat.
However, he has a fox, a chicken and a bag of grain.
If he takes the grain first and leaves the fox with the chicken – the fox will eat the chicken. And the farmer doesn't want his chicken to be cockerel meat!
If he takes the fox first, then the chicken will eat the grain.
So what should the farmer do?
The most frequent initial answer to this is to take the chicken first to the other side. However, when he goes back to take either the fox or the grain to the other side…he cannot leave the chicken with either the fox or the grain.
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And this is the head-scratching moment of this puzzle. So it's time to reveal the riddle answer…
Chicken, Fox and Grain Riddle Answer
1. The farmer takes the chicken first, then he goes back and takes the grain.
2. He leaves the grain and then takes the chicken back with him.
3. He then leaves the chicken and takes the fox to wait with the grain.
4. He then goes back and gets the chicken…and then probably has a well earned rest.
Why Riddles Like This Show Up in AI Training Work
The chicken, fox and grain riddle is a small reasoning test. You track what is on each bank after every crossing, spot the move that breaks a rule, and check the answer before you trust it.
That habit is what AI training platforms screen for and pay for. People in this work read answers written by AI models and judge whether the reasoning holds up.
- DataAnnotation lists tasks such as evaluating chatbot responses for accuracy and flagging factual errors.
- Its Starter Assessment is reviewed for thoroughness and accuracy rather than speed, and you can only take it once.
- Outlier lists writing challenging prompts, creating grading rubrics, and rating and ranking answers.
- Mercor screens applicants with an AI interview; most take about 20 minutes, and a free practice interview is available.
- micro1 says consistency, meaning following rubrics precisely, is how it measures quality. Every applicant does a skill-based AI interview with its AI interviewer, Zara.
Ask an AI chatbot to solve the riddle, then check each crossing against the rules. Finding the step where an answer goes wrong, and explaining why, is close to what rating AI responses involves.
Our job board also lists a Board Game Reasoning Expert role for people who build and review reasoning tasks from game rules and strategy. Before any screen, the AI interview and skills assessment guide covers how to prepare, and the AI training jobs guide covers the basics.
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Find my AI training job →Sources, checked 2026-10-20: DataAnnotation FAQ, Outlier homepage, Mercor AI interview help page, micro1 guide to AI training jobs.
How to Use the ‘Chicken, Fox and Grain' Riddle
This riddle/puzzle/game is great for teach from home jobs, both for children and adults with platforms such as:
The ‘Fox Chicken Grain' riddle can be used as a co-working bonding activity if you are teaching a classroom of students…or it's also great for a solo riddle if you teach one on one. The nature of online teaching is getting students to have fun with the English language. That's why games like the fox, chicken and grain game (AKA chicken, fox and corn riddle) always work so well…as well as numerous other games like TicTacToe.
The riddle is also often titled in slightly different ways, such as –
- Crossing the River Riddle
- Fox, Goose, Grain, Farmer Riddle
- Chicken, Fox and Corn Game
- Wolf, Chicken and Grain Riddle
It doesn't really matter which one you want to refer to it as, as long as your imagery remains consistent…
Expanding on the ‘Chicken, Fox and Grain Riddle'…
Do you like to encourage creative writing in online classes by re-imagining old folktales or riddles into something completely new? Then you can run dedicated creative writing classes on the Allschool platform.
Whether it's a farmer trying to get across a river, or any other simple story idea, there is a world of possibility.
Click the image below if you'd also like to learn how you can earn by using game and riddles to teach online:
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