TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'a man sitting on a luggage cart inside of an airport'. Replace the letter 't' with 'a' in the sentence.

SOLUTION: a man siaaing on a luggage cara inside of an airpora

PROBLEM: Sentence: 'an older red airplane is going straight up'. Replace the letter 'h' with 'z' in the sentence.

SOLUTION: an older red airplane is going straigzt up

PROBLEM: Sentence: 'an image of a living area seen from a fish bowl lens'. Replace the letter 'a' with 'p' in the sentence.

SOLUTION:
pn impge of p living prep seen from p fish bowl lens