Fill in the blank (_) in the following sentence from the following choices.
Sentence: The teacher preferred sitting in a chair rather than a stool because the _ was uncomfortable.

Choice 1: The teacher preferred sitting in a chair rather than a stool because the chair was uncomfortable.
Choice 2: The teacher preferred sitting in a chair rather than a stool because the stool was uncomfortable.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
2
2. The teacher preferred sitting in a chair rather than a stool because the stool was uncomfortable.