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

[EX Q]: Sentence: 'a gray and white cat sleeping on top of a laptop computer'. Replace the letter 'l' with 'g' in the sentence.
[EX A]: a gray and white cat sgeeping on top of a gaptop computer

[EX Q]: Sentence: 'a person under an open umbrella in the sand'. Replace the letter 'd' with 'h' in the sentence.
[EX A]: a person unher an open umbrella in the sanh

[EX Q]: Sentence: 'two cows in some dirt bending over and their heads meet'. Replace the letter 'o' with 'q' in the sentence.
[EX A]:
twq cqws in sqme dirt bending qver and their heads meet