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

Sentence: 'a train moving on a track during the day'. Replace the letter 't' with 'q' in the sentence.
a qrain moving on a qrack during qhe day

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

Sentence: 'a red stop sign sitting in front of a tall palm tree'. Replace the letter 'n' with 't' in the sentence.

a red stop sigt sittitg it frott of a tall palm tree