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

Input: Consider Input: Sentence: 'a white plate topped with two sandwich halves and a pile of potatoes chips'. Replace the letter 'o' with 'x' in the sentence.

Output: a white plate txpped with twx sandwich halves and a pile xf pxtatxes chips

Input: Consider Input: Sentence: 'wooden park bench sitting between two trees with grassy background'. Replace the letter 'i' with 'q' in the sentence.

Output: wooden park bench sqttqng between two trees wqth grassy background

Input: Consider Input: Sentence: 'a plane on the air flying very high'. Replace the letter 't' with 'h' in the sentence.
Output: a plane on hhe air flying very high