Fill in the blank (_) in the following sentence from the following choices.
Sentence: Patricia asked Betty if she had lowered the shades before leaving the house because _ wanted to know.

Choice 1: Patricia asked Betty if she had lowered the shades before leaving the house because Patricia wanted to know.
Choice 2: Patricia asked Betty if she had lowered the shades before leaving the house because Betty wanted to know.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
1
1.