instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'this is a cute dog sticking his head out of the window of a red car'. Replace the letter 'e' with 'z' in the sentence.
answer:
this is a cutz dog sticking his hzad out of thz window of a rzd car


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


question:
Sentence: 'two people on their surfboards in rough water'. Replace the letter 's' with 'a' in the sentence.
answer:

two people on their aurfboarda in rough water