Given the Target and Argument texts detect the stance that the argument has towards the topic. There are three types of stances "in favor", "against", and "neutral".

Topic: Lowering US drinking age from 21 to 18
Argument: Many states allow under-age drinking with parents/spouses.
in favor

Topic: Corporate personhood
Argument: Corporate personhood enables multinational corporations, global stability.
in favor

Topic: Big government
Argument: Big government helps stimulate economic growth.
in favor