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

Input: Consider Input: Sentence: 'children trying little hamburgers from a tray at school'. Replace the letter 'y' with 'l' in the sentence.

Output: children trling little hamburgers from a tral at school


Input: Consider Input: Sentence: 'a baseball player holding a bat in front of catcher and umpire'. Replace the letter 'i' with 'k' in the sentence.

Output: a baseball player holdkng a bat kn front of catcher and umpkre


Input: Consider Input: Sentence: 'a man in a cowboy hat is milking a black cow'. Replace the letter 'n' with 'h' in the sentence.


Output: a mah ih a cowboy hat is milkihg a black cow