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: Hydrogen vehicles
 Argument: Hydrogen cars will help end foreign oil dependencies.

Ex Output:
in favor


Ex Input:
Topic: Electric vehicles
 Argument: Electric cars will get cleaner with more renewable sources.

Ex Output:
in favor


Ex Input:
Topic: South Ossetia independence
 Argument: Russia supports S. Ossetia's 2006 referendum and right to independence.

Ex Output:

in favor