In this task, you need to replace a letter in the sentence with another given letter.

Sentence: 'a couple of men playing a  game of tennis'. Replace the letter 'n' with 'c' in the sentence.
a couple of mec playicg a  game of teccis

Sentence: 'a person holding on to a black remote'. Replace the letter 'n' with 'h' in the sentence.
a persoh holdihg oh to a black remote

Sentence: 'a woman is playing tennis on the tennis court'. Replace the letter 'r' with 'z' in the sentence.

a woman is playing tennis on the tennis couzt