instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a person holding a green cell phone in a classroom with many desks'. Replace the letter 'k' with 'w' in the sentence.
answer:
a person holding a green cell phone in a classroom with many desws


question:
Sentence: 'a woman on a cell phone on  city street'. Replace the letter 'e' with 'a' in the sentence.
answer:
a woman on a call phona on  city straat


question:
Sentence: 'commuter buses and a car in the town centre'. Replace the letter 'm' with 'w' in the sentence.
answer:

cowwuter buses and a car in the town centre


