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

Input: Consider Input: Sentence: 'a giraffe looking over a fence and another reaching over the fence'. Replace the letter 'l' with 'h' in the sentence.

Output: a giraffe hooking over a fence and another reaching over the fence


Input: Consider Input: Sentence: 'young boy leaping into air with tennis racket with dog below him'. Replace the letter 't' with 'r' in the sentence.

Output: young boy leaping inro air wirh rennis racker wirh dog below him


Input: Consider Input: Sentence: 'a red and white chicken walking on top of a stone walkway'. Replace the letter 'l' with 'q' in the sentence.


Output: a red and white chicken waqking on top of a stone waqkway