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

Input: Consider Input: Sentence: 'a shot looks down on a person riding a long board'. Replace the letter 'o' with 'u' in the sentence.

Output: a shut luuks duwn un a persun riding a lung buard


Input: Consider Input: Sentence: 'a zebra standing by a pile of large rocks'. Replace the letter 'i' with 'x' in the sentence.

Output: a zebra standxng by a pxle of large rocks


Input: Consider Input: Sentence: 'a residential kitchen with wood floors and appliances in place'. Replace the letter 't' with 'x' in the sentence.


Output: a residenxial kixchen wixh wood floors and appliances in place