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: Funding transparency for TV issue ads in elections
 Argument: If you're going to attack a candidate, reveal your identity.
[EX A]: in favor

[EX Q]: Topic: Puerto Rico statehood in America
 Argument: Puerto Rico would burden US welfare system.
[EX A]: against

[EX Q]: Topic: Ban on laser pointers
 Argument: Jail time is okay, but not up to 14 years in jail.
[EX A]:
in favor