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

Example Input: Sentence: 'the entree on the long plate is in the middle of the wooden table'. Replace the letter 'h' with 'z' in the sentence.
Example Output: tze entree on tze long plate is in tze middle of tze wooden table

Example Input: Sentence: 'a close up of a train on train tracks at night'. Replace the letter 'n' with 'm' in the sentence.
Example Output: a close up of a traim om traim tracks at might

Example Input: Sentence: 'the table is positioned to watch television while eating'. Replace the letter 'e' with 'q' in the sentence.
Example Output:
thq tablq is positionqd to watch tqlqvision whilq qating