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: Ending US sanctions on Cuba
 Argument: Sanctioning Cuba is appropriate punishment for its flouting the UN.
against

Topic: Gene patents
 Argument: Gene patents and bio-engineering may harm environment/society.
against

Topic: US electoral college
 Argument: The electoral college is undemocratic because it is not based on the popular vote.

against