instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a man standing on a tennis court holding a tennis racquet'. Replace the letter 'c' with 'y' in the sentence.
answer:
a man standing on a tennis yourt holding a tennis rayquet


question:
Sentence: 'bags of apples on display at the market'. Replace the letter 'y' with 'p' in the sentence.
answer:
bags of apples on displap at the market


question:
Sentence: 'the pitcher is ready to throw the ball'. Replace the letter 'h' with 'w' in the sentence.
answer:

twe pitcwer is ready to twrow twe ball