Fill in the blank (_) in the following sentence from the following choices.
Sentence: Amy was going to knit Kayla a sweater so _ asked her the correct size to make.

Choice 1: Amy was going to knit Kayla a sweater so Amy asked her the correct size to make.
Choice 2: Amy was going to knit Kayla a sweater so Kayla asked her the correct size to make.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
1
2.