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

[EX Q]: Sentence: 'two children who are standing next to a white fire hydrant'. Replace the letter 't' with 'r' in the sentence.
[EX A]: rwo children who are sranding nexr ro a whire fire hydranr

[EX Q]: Sentence: 'a white plate topped with meat and greens'. Replace the letter 's' with 'b' in the sentence.
[EX A]: a white plate topped with meat and greenb

[EX Q]: Sentence: 'a lit merry go round a dusk on a dock'. Replace the letter 'a' with 'o' in the sentence.
[EX A]:
o lit merry go round o dusk on o dock