Fill in the blank (_) in the following sentence from the following choices.
Sentence: The testing results showed that heroin was more dangerous than meth in the neighborhood as the _ was scarce.

Choice 1: The testing results showed that heroin was more dangerous than meth in the neighborhood as the heroin was scarce.
Choice 2: The testing results showed that heroin was more dangerous than meth in the neighborhood as the meth was scarce.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
2
2. The testing results showed that heroin was more dangerous than meth in the neighborhood as the meth was scarce.