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

[EX Q]: Sentence: 'a motorcycle sitting on the side of the road by grass'. Replace the letter 'r' with 't' in the sentence.
[EX A]: a mototcycle sitting on the side of the toad by gtass

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

[EX Q]: Sentence: 'a man has his wet suit rolled down and rides his bike while holding a skateboard on the road'. Replace the letter 'i' with 'y' in the sentence.
[EX A]:
a man has hys wet suyt rolled down and rydes hys byke whyle holdyng a skateboard on the road