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

[Q]: Sentence: 'a tennis racket is sitting in the middle of a tennis field'. Replace the letter 'i' with 'f' in the sentence.
[A]: a tennfs racket fs sfttfng fn the mfddle of a tennfs ffeld

[Q]: Sentence: 'a man in a field standing as a ball comes through the air towards him'. Replace the letter 'u' with 'j' in the sentence.
[A]: a man in a field standing as a ball comes throjgh the air towards him

[Q]: Sentence: 'an assortment of items on top of a desk, one of which is a laptop computer'. Replace the letter 'e' with 't' in the sentence.
[A]:
an assortmtnt of ittms on top of a dtsk, ont of which is a laptop computtr