TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'a chinese entree displayed on a red plate'. Replace the letter 'n' with 'z' in the sentence.

SOLUTION: a chizese eztree displayed oz a red plate

PROBLEM: Sentence: 'a skater looks ahead as he rides down a ramp'. Replace the letter 'n' with 'm' in the sentence.

SOLUTION: a skater looks ahead as he rides dowm a ramp

PROBLEM: Sentence: 'an old boat is on the shore of a beach with nets, boxes, and other junk next to it and other beached boats in the background'. Replace the letter 't' with 'p' in the sentence.

SOLUTION:
an old boap is on phe shore of a beach wiph neps, boxes, and opher junk nexp po ip and opher beached boaps in phe background