Answer:
I can go through glass without breaking it. What am I?
What is black when you buy it, red when you use it, and gray when you throw it away?
I have a head but never weeps. I have a bed but never sleeps. I can run but never walks. I have a bank but no money. What am I?
The more you take away from me, the bigger I shall get. What am I?
I run through hills. I veer around mountains. I leap over rivers and crawl through the forests. Step out your door to find me. What am I?
The answer I give is yes, but what I mean is no. What was the question?