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

Sentence: 'this is a tennis player getting ready to serve the ball'. Replace the letter 'h' with 'y' in the sentence.
tyis is a tennis player getting ready to serve tye ball

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: 'three mannequins are dressed with shirts and ties'. Replace the letter 'n' with 'q' in the sentence.

three maqqequiqs are dressed with shirts aqd ties