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

Sentence: 'commuter trains on tracks next to paved platform'. Replace the letter 'm' with 'w' in the sentence.
cowwuter trains on tracks next to paved platforw

Sentence: 'a gray elephant standing next to green bushes'. Replace the letter 'e' with 'o' in the sentence.
a gray olophant standing noxt to groon bushos

Sentence: 'three zebra's one is yelling while being jumped by another'. Replace the letter 'i' with 'k' in the sentence.

three zebra's one ks yellkng whkle bekng jumped by another