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: Puerto Rico statehood in America
 Argument: Puerto Rico would burden US welfare system.

A: against
****
Q: Topic: 2010 US bank tax
 Argument: Bank tax is not too great of a burden on banks.

A: in favor
****
Q: Topic: Is Wikipedia valuable?
 Argument: Wikipedia is losing good editors at an alarming rate.

A:
neutral
****