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

[Q]: Sentence: 'a person with a cell phone standing next to a train'. Replace the letter 's' with 't' in the sentence.
[A]: a perton with a cell phone ttanding next to a train


[Q]: Sentence: 'bananas, oranges and apples are in shades of yellow and orange'. Replace the letter 'r' with 'b' in the sentence.
[A]: bananas, obanges and apples abe in shades of yellow and obange


[Q]: Sentence: 'a multi colored train is going down the tracks'. Replace the letter 'k' with 'n' in the sentence.
[A]:
a multi colored train is going down the tracns