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

Input: Consider Input: Sentence: 'a woman standing in front of a bear in an enclosure'. Replace the letter 'e' with 'r' in the sentence.

Output: a woman standing in front of a brar in an rnclosurr


Input: Consider Input: Sentence: 'a man is ordering food from a mobile food truck'. Replace the letter 'r' with 'q' in the sentence.

Output: a man is oqdeqing food fqom a mobile food tquck


Input: Consider Input: Sentence: 'a cat sleeping on a desk near a laptop'. Replace the letter 'a' with 't' in the sentence.


Output: t ctt sleeping on t desk netr t ltptop