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". 

Example Input: Topic: European missile defense
 Argument: European missile defenses would not counter Russia-to-US attack.
Example Output: against

Example Input: Topic: Solar energy
 Argument: Solar energy does not damage air quality.
Example Output: in favor

Example Input: Topic: Big government
 Argument: Big government invites corporate special interests.
Example Output:
against