TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'lose up of various trays of croissants and muffins'. Replace the letter 'n' with 'f' in the sentence.

SOLUTION: lose up of various trays of croissafts afd muffifs

PROBLEM: Sentence: 'a plate topped with a bacon and broccoli salad'. Replace the letter 'o' with 't' in the sentence.

SOLUTION: a plate ttpped with a bactn and brtcctli salad

PROBLEM: Sentence: 'a group of people riding an elephant on a dirt road'. Replace the letter 'p' with 'l' in the sentence.

SOLUTION:
a groul of leolle riding an elelhant on a dirt road