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

[EX Q]: Sentence: 'a person holding a green cell phone in a classroom with many desks'. Replace the letter 'k' with 'w' in the sentence.
[EX A]: a person holding a green cell phone in a classroom with many desws

[EX Q]: Sentence: 'a baseball player holding a bat in front of catcher and umpire'. Replace the letter 'i' with 'k' in the sentence.
[EX A]: a baseball player holdkng a bat kn front of catcher and umpkre

[EX Q]: Sentence: 'people watching a kite being flown with a sky background'. Replace the letter 'a' with 'b' in the sentence.
[EX A]:
people wbtching b kite being flown with b sky bbckground