Fill in the blank (_) in the following sentence from the following choices.
Sentence: Katrina gave them vitamins everyday, and Elena took them, because _ was a good parent.

Choice 1: Katrina gave them vitamins everyday, and Elena took them, because Katrina was a good parent.
Choice 2: Katrina gave them vitamins everyday, and Elena took them, because Elena was a good parent.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
1
1.