Fill in the blank (_) in the following sentence from the following choices.
Sentence: Patricia invited Elena to exercise with them at the gym, but _ has already been going daily.

Choice 1: Patricia invited Elena to exercise with them at the gym, but Patricia has already been going daily.
Choice 2: Patricia invited Elena to exercise with them at the gym, but Elena has already been going daily.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
2
2.