Fill in the blank (_) in the following sentence from the following choices.
Sentence: He did not like the house as much as the condo because the _ was older.

Choice 1: He did not like the house as much as the condo because the house was older.
Choice 2: He did not like the house as much as the condo because the condo was older.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
1
1.