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". 

Ex Input:
Topic: Ground zero mosque
 Argument: Ban ground zero mosque on grounds it does more harm to victims.

Ex Output:
against


Ex Input:
Topic: Ecotourism
 Argument: Ecotourism is good for the human soul and social health.

Ex Output:
in favor


Ex Input:
Topic: Legalization of drugs
 Argument: There is no such thing as a safe drug (regulated by the state).

Ex Output:

against