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

[EX Q]: Sentence: 'this is a cute dog sticking his head out of the window of a red car'. Replace the letter 'e' with 'z' in the sentence.
[EX A]: this is a cutz dog sticking his hzad out of thz window of a rzd car

[EX Q]: Sentence: 'a building has a clock on the top of it'. Replace the letter 'l' with 'x' in the sentence.
[EX A]: a buixding has a cxock on the top of it

[EX Q]: Sentence: 'a trio of computer monitors on stacks of books on a desk'. Replace the letter 's' with 't' in the sentence.
[EX A]:
a trio of computer monitort on ttackt of bookt on a detk