text: <START_QUESTION> can you guess what i am. you always hold me but you cant see me. only way you can see me is if im looking at me. you use me everyday without knowing. i hurt with bright lights which makes me get bigger. i make water out of thin air but you rub it then its no longer there. when you use me you give me a " stare " but when you dont use me. you dont know it there. <END_QUESTION>
  <ANSWER> your eye balls <END_ANSWER><|endoftext|>