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

[Q]: Sentence: 'a bunch of signs on a pole on the street'. Replace the letter 'c' with 's' in the sentence.
[A]: a bunsh of signs on a pole on the street


[Q]: Sentence: 'little tubs of rice and mixed vegetables for a meal'. Replace the letter 't' with 'z' in the sentence.
[A]: lizzle zubs of rice and mixed vegezables for a meal


[Q]: Sentence: 'a boy is doing a trick on a snowboard'. Replace the letter 'n' with 'w' in the sentence.
[A]:
a boy is doiwg a trick ow a swowboard