Context: Alcohol just never seemed to be an intoxicating substance for him . He could drink extensively , the strongest liquor available ( and in fact his chosen beverage was Absinthe ) , but still remain completely sober . Marijuana acted much like an energy drink would to someone else .
Question: Why is their friend able to drink so much ?
Option 0: They are a large person .
Option 1: None of the above choices .
Option 2: They are used to the effects of alcohol .
Option 3: They always smoke marijuana while they drink .
Answer: 2