TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'a laptop computer attached to a large monitor'. Replace the letter 'a' with 'r' in the sentence.

SOLUTION: r lrptop computer rttrched to r lrrge monitor

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 female tennis player holding a tennis racket'. Replace the letter 'k' with 'e' in the sentence.

SOLUTION:
a female tennis player holding a tennis raceet