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

[Q]: Sentence: 'a man is ordering food from a mobile food truck'. Replace the letter 'r' with 'q' in the sentence.
[A]: a man is oqdeqing food fqom a mobile food tquck

[Q]: Sentence: 'a man taking a photo of food on a table'. Replace the letter 't' with 'h' in the sentence.
[A]: a man haking a phoho of food on a hable

[Q]: Sentence: 'a bicycle is parked next to a fire hydrant'. Replace the letter 'i' with 'x' in the sentence.
[A]:
a bxcycle xs parked next to a fxre hydrant