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

[EX Q]: Sentence: 'young boy leaping into air with tennis racket with dog below him'. Replace the letter 't' with 'r' in the sentence.
[EX A]: young boy leaping inro air wirh rennis racker wirh dog below him

[EX Q]: Sentence: 'three young school girls waiting on a subway train platform'. Replace the letter 't' with 'o' in the sentence.
[EX A]: ohree young school girls waioing on a subway orain plaoform

[EX Q]: Sentence: 'a bathroom with a white toilet sitting under a window'. Replace the letter 'b' with 'v' in the sentence.
[EX A]:
a vathroom with a white toilet sitting under a window