Answer:
Lives in winter, dies in summer, and grows with its roots upward. What is it?
I am a word of letters three. Add two and fewer there will be. What word am I?
What has 4 fingers and a thumb but isn't alive?
I am a protector. I sit on a bridge. One person can see right through me, while others wonder what I hide. What am I?
I am constantly overlooked by everyone but everyone has me.
The answer I give is yes, but what I mean is no. What was the question?