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 as colony is unacceptable.

A: in favor
****
Q: Topic: Reforestation as a solution to global warming
 Argument: Reforestation can result in release of greenhouse gas Methane.

A: against
****
Q: Topic: Education vouchers
 Argument: Education vouchers improve minority academic achievement.

A:
in favor
****