Fill in the blank (_) in the following sentence from the following choices.
Sentence: Michael was slimmer than Kenneth and so _ had a lower risk of developing diabetes.

Choice 1: Michael was slimmer than Kenneth and so Michael had a lower risk of developing diabetes.
Choice 2: Michael was slimmer than Kenneth and so Kenneth had a lower risk of developing diabetes.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
1
1.