In this task, you need to replace a letter in the sentence with another given letter.

Sentence: 'a study table with computer, mouse and keyboard .photo frame are also kept'. Replace the letter 'u' with 'q' in the sentence.
a stqdy table with compqter, moqse and keyboard .photo frame are also kept

Sentence: 'a large elephant standing outside beside a tree'. Replace the letter 'e' with 'y' in the sentence.
a largy ylyphant standing outsidy bysidy a tryy

Sentence: 'a train is sitting on the railroad track'. Replace the letter 'g' with 'x' in the sentence.
a train is sittinx on the railroad track