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

Input: Consider Input: Sentence: 'a seafood dish served over a bowl of white rice'. Replace the letter 'e' with 'u' in the sentence.

Output: a suafood dish survud ovur a bowl of whitu ricu


Input: Consider Input: Sentence: 'a group of sheep is standing in a grassy field'. Replace the letter 'g' with 'p' in the sentence.

Output: a proup of sheep is standinp in a prassy field


Input: Consider Input: Sentence: 'a person standing on the sidewalk holding an umbrella'. Replace the letter 'n' with 'o' in the sentence.


Output: a persoo staodiog oo the sidewalk holdiog ao umbrella