TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'a study table with computer, mouse and keyboard .photo frame are also kept'. Replace the letter 'u' with 'q' in the sentence.

SOLUTION: a stqdy table with compqter, moqse and keyboard .photo frame are also kept

PROBLEM: Sentence: 'a baseball player running to third base from second'. Replace the letter 'a' with 'u' in the sentence.

SOLUTION: u busebull pluyer running to third buse from second

PROBLEM: Sentence: 'a woman petting a giraffe's nose with a ranger standing by'. Replace the letter 'n' with 'c' in the sentence.

SOLUTION:
a womac petticg a giraffe's cose with a racger stacdicg by