TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'woman pushing a cart of luggage in a transportation terminal'. Replace the letter 'a' with 'w' in the sentence.

SOLUTION: womwn pushing w cwrt of luggwge in w trwnsportwtion terminwl

PROBLEM: Sentence: 'a man getting ready to hit a ball at a baseball game'. Replace the letter 'n' with 'v' in the sentence.

SOLUTION: a mav gettivg ready to hit a ball at a baseball game

PROBLEM: Sentence: 'there are two men that are standing next to a fire hydrant'. Replace the letter 't' with 'j' in the sentence.

SOLUTION:
jhere are jwo men jhaj are sjanding nexj jo a fire hydranj