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

Input: Consider Input: Sentence: 'a few zebras that are next to each other'. Replace the letter 'o' with 'u' in the sentence.

Output: a few zebras that are next tu each uther


Input: Consider Input: Sentence: 'a woman is talking on her white phone'. Replace the letter 'w' with 'r' in the sentence.

Output: a roman is talking on her rhite phone


Input: Consider Input: Sentence: 'a close up of two zebras with birds on them'. Replace the letter 'e' with 'w' in the sentence.


Output: a closw up of two zwbras with birds on thwm