Fill in the blank (_) in the following sentence from the following choices.
Sentence: The chemo that Sarah had failed, while Monica's was able to work, so _ ends up living.

Choice 1: The chemo that Sarah had failed, while Monica's was able to work, so Sarah ends up living.
Choice 2: The chemo that Sarah had failed, while Monica's was able to work, so Monica ends up living.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
2
1. The sentence should read "Sarah ends up living" because the sentence states that Sarah's chemo failed, but Monica