You are walking outside when a bug flies right into your eye. You immediately blink and try to get it out. The next time you go out, another bug flies into your eye. Then it happens a third time. Eventually, all you have to do is go outside and you start blinking automatically. Which action is the unconditioned response (UCR) in this situation?
A bug flying into your eye
Blinking
Going outside
Expecting a bug to fly in your eye