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 Q]: Topic: Geoengineering, solar shading
 Argument: Solar shading can effectively and rapidly reverse global warming.
[EX A]: in favor

[EX Q]: Topic: Catholic Church contraception policy
 Argument: Evil (condoms) should not be used to fight evil (HIV/AIDS).
[EX A]: in favor

[EX Q]: Topic: 2010 US bank tax
 Argument: Bank tax is not too great of a burden on banks.
[EX A]:
in favor