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

[EX Q]: Sentence: 'a yellow fire hydrant sitting on the sidewalk'. Replace the letter 'o' with 'd' in the sentence.
[EX A]: a yelldw fire hydrant sitting dn the sidewalk

[EX Q]: Sentence: 'there is a woman holding a tennis racket'. Replace the letter 'l' with 's' in the sentence.
[EX A]: there is a woman hosding a tennis racket

[EX Q]: Sentence: 'a swan and her babies floating on a lake together'. Replace the letter 'e' with 'f' in the sentence.
[EX A]:
a swan and hfr babifs floating on a lakf togfthfr