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: Instant replay in baseball
 Argument: Instant replay should not exist for sake of personal achievements.
Example Output: against

Example Input: Topic: Prostitution
 Argument: Legalizing prostitution won't substantially reduce HIV/AIDS risks.
Example Output: against

Example Input: Topic: Prisoners right to vote
 Argument: Rehabilitation is main goal (not punishment); voting helps.
Example Output:
in favor