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

Input: Consider Input: Sentence: 'there is a young baby that is wearing a tie'. Replace the letter 't' with 'c' in the sentence.

Output: chere is a young baby chac is wearing a cie


Input: Consider Input: Sentence: 'a police officer on a horse is riding down the street'. Replace the letter 'h' with 'a' in the sentence.

Output: a police officer on a aorse is riding down tae street


Input: Consider Input: Sentence: 'some zebra and cows in a open grass plain'. Replace the letter 'l' with 't' in the sentence.


Output: some zebra and cows in a open grass ptain