instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a dog laying in front of a horses stall with the horse peeking over the half door'. Replace the letter 'a' with 'b' in the sentence.
answer:
b dog lbying in front of b horses stbll with the horse peeking over the hblf door

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: 'a little girl in pink has pizza on a paper plate'. Replace the letter 'i' with 'r' in the sentence.
answer:
a lrttle grrl rn prnk has przza on a paper plate