Fill in the blank (_) in the following sentence from the following choices.
Sentence: They found it easier to diagnose the disease instead of the condition, since the _ was passive.

Choice 1: They found it easier to diagnose the disease instead of the condition, since the disease was passive.
Choice 2: They found it easier to diagnose the disease instead of the condition, since the condition was passive.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
2
2.