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

Input: Consider Input: Sentence: 'a clock mounted above a door entrance with windows'. Replace the letter 's' with 'l' in the sentence.

Output: a clock mounted above a door entrance with windowl

Input: Consider Input: Sentence: 'a gray and white cat sleeping on top of a laptop computer'. Replace the letter 'l' with 'g' in the sentence.

Output: a gray and white cat sgeeping on top of a gaptop computer

Input: Consider Input: Sentence: 'a bathroom is shown with a toilet, sink and a mirror'. Replace the letter 'o' with 'y' in the sentence.
Output: a bathryym is shywn with a tyilet, sink and a mirryr