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". 

Topic: Gay marriage
 Argument: Gay marriage threatens cultural tradition of marriage.
against

Topic: Republika Srpska secession from Bosnia and Herzegovina
 Argument: Serb Republic secession could spark regional war.
against

Topic: Puerto Rico statehood in America
 Argument: English is a cultural requirement for entry as state.

neutral