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

[EX Q]: Sentence: 'an umbrella sitting on top of a hill next to a body of water'. Replace the letter 't' with 'b' in the sentence.
[EX A]: an umbrella sibbing on bop of a hill nexb bo a body of waber

[EX Q]: Sentence: 'a child taking the paper off a box sitting on the floor'. Replace the letter 'c' with 'b' in the sentence.
[EX A]: a bhild taking the paper off a box sitting on the floor

[EX Q]: Sentence: 'skiier riding down in this section of the mountain'. Replace the letter 'u' with 'm' in the sentence.
[EX A]:
skiier riding down in this section of the momntain