Fill in the blank (_) in the following sentence from the following choices.
Sentence: She decided to have yoga classes instead of tai chi classes because the _ looked less feasible to her.

Choice 1: She decided to have yoga classes instead of tai chi classes because the tai chi looked less feasible to her.
Choice 2: She decided to have yoga classes instead of tai chi classes because the yoga looked less feasible to her.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
1
2.