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

Input: Consider Input: Sentence: 'there is a purse on the floor with its contents spilled out'. Replace the letter 'd' with 'v' in the sentence.

Output: there is a purse on the floor with its contents spillev out


Input: Consider Input: Sentence: 'some tracks for a rail way system near a building'. Replace the letter 'a' with 'h' in the sentence.

Output: some trhcks for h rhil why system nehr h building


Input: Consider Input: Sentence: 'a chocolate cake decorated with strawberries on the side'. Replace the letter 'c' with 'x' in the sentence.


Output: a xhoxolate xake dexorated with strawberries on the side