instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a cat is watching a computer with a video of a cat'. Replace the letter 't' with 'a' in the sentence.
answer:
a caa is waaching a compuaer wiah a video of a caa


question:
Sentence: 'small kit bathroom sink with purple walls and lights on it'. Replace the letter 'o' with 'r' in the sentence.
answer:
small kit bathrrrm sink with purple walls and lights rn it


question:
Sentence: 'a man holds his wii remote close to his face'. Replace the letter 'm' with 'i' in the sentence.
answer:

a ian holds his wii reiote close to his face