instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a group of people are using their laptops in the dark'. Replace the letter 'p' with 'b' in the sentence.
answer:
a groub of beoble are using their labtobs in the dark


question:
Sentence: 'subway train approaching the platform of a subway station'. Replace the letter 'y' with 'c' in the sentence.
answer:
subwac train approaching the platform of a subwac station


question:
Sentence: 'a man has a dog in the side car of a motorcycle'. Replace the letter 'h' with 'z' in the sentence.
answer:

a man zas a dog in tze side car of a motorcycle