instruction:
In this task, you need to replace a letter in the sentence with another given letter.
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 woman in a floral swimsuit holds a pink umbrella'. Replace the letter 't' with 'l' in the sentence.
answer:
a woman in a floral swimsuil holds a pink umbrella

question:
Sentence: 'a baby with a bottle is sitting in the refrigerator'. Replace the letter 'b' with 'v' in the sentence.
answer:
a vavy with a vottle is sitting in the refrigerator