TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'a bunch of red apples next to a few oranges'. Replace the letter 'n' with 'x' in the sentence.

SOLUTION: a buxch of red apples xext to a few oraxges

PROBLEM: Sentence: 'a man that is jumping a skateboard over something'. Replace the letter 'g' with 'j' in the sentence.

SOLUTION: a man that is jumpinj a skateboard over somethinj

PROBLEM: Sentence: 'a large crowd of people at an airport terminal'. Replace the letter 'r' with 'c' in the sentence.

SOLUTION:
a lacge ccowd of people at an aicpoct tecminal