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

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

Sentence: 'two zebras are snuggling at the zoo in their display area'. Replace the letter 'e' with 'z' in the sentence.
two zzbras arz snuggling at thz zoo in thzir display arza

Sentence: 'a small child is standing on a skateboard'. Replace the letter 'a' with 'g' in the sentence.

g smgll child is stgnding on g skgtebogrd