instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a couple of men playing a  game of tennis'. Replace the letter 'n' with 'c' in the sentence.
answer:
a couple of mec playicg a  game of teccis


question:
Sentence: 'young boy leaping into air with tennis racket with dog below him'. Replace the letter 't' with 'r' in the sentence.
answer:
young boy leaping inro air wirh rennis racker wirh dog below him


question:
Sentence: 'a dog with white fur sleeping on a couch or chair'. Replace the letter 'e' with 'f' in the sentence.
answer:

a dog with whitf fur slffping on a couch or chair