Fill in the blank (_) in the following sentence from the following choices.
Sentence: All of the information was not able to fit in my mind, because the _ was expansive.

Choice 1: All of the information was not able to fit in my mind, because the information was expansive.
Choice 2: All of the information was not able to fit in my mind, because the mind was expansive.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
1
1.