Are you eating?
Yes, I am
Are you playing basketball?
No, I'm not. I'm playing football
What are you doing?
I'm sleeping
What are you doing?
I'm reading
What are you doing?
I'm dancing
What are you doing?
I'm eating
What are you doing?
I'm running
Are you cooking?
Yes, I am.
Are you doing taekwondo?
No, I'm not. I'm riding a bike
What are you doing?
I'm listening to music
What are you doing?
I'm doing homework
What are you doing?
I'm swimming
What are you doing?
I'm walking
What are you doing?
I'm drinking
What are you doing?
I'm jumping