What musical instrument is it?
It's an accordion.
Can you play piano?
Yes, I can. / No, I can't.
Is it a flute or saxophone?
Flute!
What is the cat playing?
The cat is playing a violin.
What musical instrument is it?
Guitar!
Can you play flute?
Yes, I can. / No, I can't.
Can you play trumpet?
Yes, I can. / No, I can't.
What musical instrument is the crocodile playing?
He is playing a saxophone.