instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a group of men sitting at a desk with lap top computers'. Replace the letter 'p' with 'z' in the sentence.
answer:
a grouz of men sitting at a desk with laz toz comzuters


question:
Sentence: 'a man loads bananas high on top of a banana truck'. Replace the letter 'f' with 'c' in the sentence.
answer:
a man loads bananas high on top oc a banana truck


question:
Sentence: 'a man is ordering food from a mobile food truck'. Replace the letter 'r' with 'q' in the sentence.
answer:

a man is oqdeqing food fqom a mobile food tquck