Fill in the blank (_) in the following sentence from the following choices.
Sentence: Since Mary cleaned her tub more frequently than Tanya, _ had to deal with very little soap scum.

Choice 1: Since Mary cleaned her tub more frequently than Tanya, Mary had to deal with very little soap scum.
Choice 2: Since Mary cleaned her tub more frequently than Tanya, Tanya had to deal with very little soap scum.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
1
1.