Fill in the blank (_) in the following sentence from the following choices.
Sentence: Cynthia's takes prescription pills, but Monica does not, so _ is likely to be addicted.

Choice 1: Cynthia's takes prescription pills, but Monica does not, so Cynthia is likely to be addicted.
Choice 2: Cynthia's takes prescription pills, but Monica does not, so Monica is likely to be addicted.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
1
1.