Fill in the blank (_) in the following sentence from the following choices.
Sentence: Samuel could blow bigger bubbles with gum compared to Nick because _ chews gum everyday.

Choice 1: Samuel could blow bigger bubbles with gum compared to Nick because Samuel chews gum everyday.
Choice 2: Samuel could blow bigger bubbles with gum compared to Nick because Nick chews gum everyday.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
1
1.