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

[Q]: Sentence: 'a back pack and lap top sit on the kitchen counter'. Replace the letter 't' with 'k' in the sentence.
[A]: a back pack and lap kop sik on khe kikchen counker

[Q]: Sentence: 'a motorcycle that is in front of a car'. Replace the letter 'r' with 'p' in the sentence.
[A]: a motopcycle that is in fpont of a cap

[Q]: Sentence: 'a tour bus advertises buddy holly and ritchie valens'. Replace the letter 'a' with 'c' in the sentence.
[A]:
c tour bus cdvertises buddy holly cnd ritchie vclens