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: Kyoto Protocol
 Argument: It is unimportant for the US to join Kyoto now.

Ex Output:
against


Ex Input:
Topic: Wave power
 Argument: Wave energy more about profits than environment.

Ex Output:
against


Ex Input:
Topic: Solar energy
 Argument: Nuclear power is a more potent and efficient source of energy.

Ex Output:

against