Fill in the blank (_) in the following sentence from the following choices.
Sentence: Patricia was not sure of the exact measurements but Maria was because _ didn't measure himself.

Choice 1: Patricia was not sure of the exact measurements but Maria was because Patricia didn't measure himself.
Choice 2: Patricia was not sure of the exact measurements but Maria was because Maria didn't measure himself.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
1
2.