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

Input: Consider Input: Sentence: 'two men and a dog are standing beside a building'. Replace the letter 'b' with 'y' in the sentence.

Output: two men and a dog are standing yeside a yuilding


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: 'some basketball players are playing basketball and some people watching them'. Replace the letter 't' with 'u' in the sentence.


Output: some baskeuball players are playing baskeuball and some people wauching uhem