instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'people walk through a local fruit market in a city'. Replace the letter 'e' with 'n' in the sentence.
answer:
pnopln walk through a local fruit marknt in a city


question:
Sentence: 'this is a tennis player getting ready to serve the ball'. Replace the letter 'h' with 'y' in the sentence.
answer:
tyis is a tennis player getting ready to serve tye ball


question:
Sentence: 'a guy is standing playing video games while a woman is bent over'. Replace the letter 'y' with 'k' in the sentence.
answer:

a guk is standing plaking video games while a woman is bent over