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". 

Q: Topic: Turkey EU membership
 Argument: EU membership would help strengthen democracy in Turkey.

A: in favor
****
Q: Topic: European missile defense
 Argument: A European missile defense system threatens and antagonizes Russia.

A: against
****
Q: Topic: Carbon emissions trading
 Argument: Cap-and-trade systems are susceptible to distortion by lobby groups.

A:
against
****