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

[EX Q]: Sentence: 'a group of men sitting at a desk with lap top computers'. Replace the letter 'p' with 'z' in the sentence.
[EX A]: a grouz of men sitting at a desk with laz toz comzuters

[EX Q]: Sentence: 'a chinese entree displayed on a red plate'. Replace the letter 'n' with 'z' in the sentence.
[EX A]: a chizese eztree displayed oz a red plate

[EX Q]: Sentence: 'a pepperoni pizza sitting on an oven done cooking'. Replace the letter 'p' with 's' in the sentence.
[EX A]:
a sesseroni sizza sitting on an oven done cooking