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

Input: Consider Input: Sentence: 'a woman is talking on her white phone'. Replace the letter 'w' with 'r' in the sentence.

Output: a roman is talking on her rhite phone


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 woman in a skirt is leading a white horse'. Replace the letter 'h' with 'q' in the sentence.


Output: a woman in a skirt is leading a wqite qorse