Read the following premise and pick the correct choice. Then, respond with which of the choices is correct.
Premise: I hung up the phone.

Choice 1: The caller said goodbye to me.
Choice 2: The caller identified himself to me.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
1
0. This question cannot be answered with the given information. The premise only states that you hung up the phone, it does not provide any