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

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: 'stone and white colored structure in front of white modern building'. Replace the letter 'r' with 'p' in the sentence.

Output: stone and white coloped stpuctupe in fpont of white modepn building


Input: Consider Input: Sentence: 'wildebeasts and zebras as in an animal safari'. Replace the letter 'a' with 'i' in the sentence.


Output: wildebeists ind zebris is in in inimil sifiri