Write a 5-sentence story about a farmer and a fox.
Once upon a time, a farmer named John lived on a vast farm where he grew wheat and vegetables, and had many chickens. One evening, John noticed that some of his chickens were missing and suspected it was the work of a fox. The next day, he waited patiently until he caught sight of the sly fox trying to steal his chickens again. Instead of getting angry, John decided to build a fence around the chicken area to keep them safe. From then on, the fox moved on and John's chickens lived happily ever after.
Complete the following task based on the instruction and optional input provided.### Instruction:
Write a 5-sentence story about a farmer and a fox.

### Output:
Once upon a time, a farmer named John lived on a vast farm where he grew wheat and vegetables, and had many chickens. One evening, John noticed that some of his chickens were missing and suspected it was the work of a fox. The next day, he waited patiently until he caught sight of the sly fox trying to steal his chickens again. Instead of getting angry, John decided to build a fence around the chicken area to keep them safe. From then on, the fox moved on and John's chickens lived happily ever after.