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". 

Example Input: Topic: Year-round school
 Argument: Changing to year-round schooling has significant costs.
Example Output: against

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

Example Input: Topic: Random sobriety tests for drivers
 Argument: Good use of police to cultivate awareness on drunk driving.
Example Output:
in favor