Fill in the blank (_) in the following sentence from the following choices.
Sentence: The brushes that I used were a lot softer than the combs because the _ were made from hair.

Choice 1: The brushes that I used were a lot softer than the combs because the brushes were made from hair.
Choice 2: The brushes that I used were a lot softer than the combs because the combs were made from hair.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
1
1.