Answer:
What is eaten but can also eat?
Feed me and I live. Give me water and I die. What am I?
I hold two people together but touch only one. What am I?
I can be red blue purple and green. No one can reach me not even the queen.
You heard me before and then again. Afterward I die, until you call me again. What am I?
The answer I give is yes, but what I mean is no. What was the question?