instruction:
In this task, you need to replace a letter in the sentence with another given letter.
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: 'children practicing tee ball together with a male coach standing behind the hitter and a tennis court in the background'. Replace the letter 'd' with 'f' in the sentence.
answer:
chilfren practicing tee ball together with a male coach stanfing behinf the hitter anf a tennis court in the backgrounf


question:
Sentence: 'two police officers riding horses down the street'. Replace the letter 'o' with 'd' in the sentence.
answer:

twd pdlice dfficers riding hdrses ddwn the street