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

Sentence: 'a giraffe and a zebra stare at each other'. Replace the letter 'g' with 'l' in the sentence.
a liraffe and a zebra stare at each other

Sentence: 'a chocolate cake decorated with strawberries on the side'. Replace the letter 'c' with 'x' in the sentence.
a xhoxolate xake dexorated with strawberries on the side

Sentence: 'a new baby elephant that is staying very close to mom'. Replace the letter 'a' with 'q' in the sentence.

q new bqby elephqnt thqt is stqying very close to mom