[{"role": "user", "content": "I'm humming a tune and I'd love to share it with my Italian friend, but I don't know how to describe what I'm doing in Italian - can you help me translate 'I'm humming'?"}, {"role": "assistant", "content": "You can say 'Sto canticchiando.' to describe that you're humming. I hope your friend enjoys the tune!"}]