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: Pickens US energy plan
Argument: The Pickens Plan is generally not viable.
Example Output: against

Example Input: Topic: Castration of sex offenders
Argument: Sex predators are monsters who forgo most rights.
Example Output: in favor

Example Input: Topic: Wind energy
Argument: The installation of windmills can be relatively expensive.
Example Output:
against