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: US debt ceiling deal
 Argument: Sweeping statements against the debt deal.

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: Wave power
 Argument: Waves pack substantial energy; few wave generators are required.

Ex Output:

in favor