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

Input: Consider Input: Sentence: 'the color theme in this kitchen is red and black'. Replace the letter 't' with 'v' in the sentence.

Output: vhe color vheme in vhis kivchen is red and black


Input: Consider Input: Sentence: 'a group of small children sitting at a table in front of a pizza'. Replace the letter 'r' with 'd' in the sentence.

Output: a gdoup of small childden sitting at a table in fdont of a pizza


Input: Consider Input: Sentence: 'a woman is sitting on a bench looking at her cellphone'. Replace the letter 'a' with 'd' in the sentence.


Output: d womdn is sitting on d bench looking dt her cellphone