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

[EX Q]: Sentence: 'a boy taking a nap with his dog on a bed'. Replace the letter 'o' with 'i' in the sentence.
[EX A]: a biy taking a nap with his dig in a bed

[EX Q]: Sentence: 'a red train sitting at an empty station'. Replace the letter 'i' with 'h' in the sentence.
[EX A]: a red trahn shtthng at an empty stathon

[EX Q]: Sentence: 'a train pulling in to a train station where people are waiting'. Replace the letter 'o' with 'z' in the sentence.
[EX A]:
a train pulling in tz a train statizn where pezple are waiting