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

Example Input: Sentence: 'mannequins are beside a motor scooter inside a display case'. Replace the letter 'l' with 'c' in the sentence.
Example Output: mannequins are beside a motor scooter inside a dispcay case

Example Input: Sentence: 'a close up of a bathroom sink with soap and tooth brushes in a cup'. Replace the letter 't' with 'y' in the sentence.
Example Output: a close up of a bayhroom sink wiyh soap and yooyh brushes in a cup

Example Input: Sentence: 'a toilet a cabinet a sink a mirror and tan tiles'. Replace the letter 'm' with 'k' in the sentence.
Example Output:
a toilet a cabinet a sink a kirror and tan tiles