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: US and NATO intervention in Libya
 Argument: US gave full command in Libya to NATO on April 1.
Example Output: neutral

Example Input: Topic: Obama, meeting with hostile foreign leaders without preconditions
 Argument: Iranian leaders are evil; wrong to meet with them.
Example Output: against

Example Input: Topic: Animal testing
 Argument: The number of animals used in experiments should be reduced by.
Example Output:
against