instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a couple of people that are petting a horse'. Replace the letter 'e' with 'p' in the sentence.
answer:
a couplp of ppoplp that arp pptting a horsp


question:
Sentence: 'a child taking the paper off a box sitting on the floor'. Replace the letter 'c' with 'b' in the sentence.
answer:
a bhild taking the paper off a box sitting on the floor


question:
Sentence: 'a man in a hat is holding an umbrella'. Replace the letter 'u' with 'q' in the sentence.
answer:

a man in a hat is holding an qmbrella