TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'a house cat standing in front of television'. Replace the letter 'n' with 'p' in the sentence.

SOLUTION: a house cat stapdipg ip fropt of televisiop

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 is seated on a floor with a computer and some papers'. Replace the letter 'r' with 'b' in the sentence.

SOLUTION:
a man is seated on a floob with a computeb and some papebs