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

Input: Consider Input: Sentence: 'a large white sign with black lettering  leaning against a metal fence'. Replace the letter 'e' with 'j' in the sentence.

Output: a largj whitj sign with black ljttjring  ljaning against a mjtal fjncj


Input: Consider Input: Sentence: 'a person that is sitting under an umbrella'. Replace the letter 'a' with 'l' in the sentence.

Output: l person thlt is sitting under ln umbrelll


Input: Consider Input: Sentence: 'a man getting ready to hit a tennis ball on a court'. Replace the letter 'c' with 's' in the sentence.


Output: a man getting ready to hit a tennis ball on a sourt