This is a question with answer options. Goal: how do you hang up on a phonecall?

Which of the following methods is more reasonable for accomplishing this goal?

Available choices:
-take the phone away from you ear and click the end key on the screen.
-take the phone away from your ear and click the add call key on the screen....I think the answer is
take the phone away from you ear and click the end key on the screen.