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

Input: Consider Input: Sentence: 'a man is at bat at a baseball game with a crowd watching'. Replace the letter 't' with 'f' in the sentence.

Output: a man is af baf af a baseball game wifh a crowd wafching

Input: Consider Input: Sentence: 'man holding pair of red handled scissor in front of face'. Replace the letter 'i' with 'f' in the sentence.

Output: man holdfng pafr of red handled scfssor fn front of face

Input: Consider Input: Sentence: 'a group of people are fitting teddy bears with ribbons'. Replace the letter 'e' with 'h' in the sentence.
Output: a group of phoplh arh fitting thddy bhars with ribbons