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 health care reform
 Argument: US health care law ends pre-existing conditions discrimination.
Example Output: in favor

Example Input: Topic: Airport security profiling
 Argument: Profiling works well for Israel, can work well elsewhere.
Example Output: in favor

Example Input: Topic: Gene patents
 Argument: Gene patents do not apply to natural genes.
Example Output:
neutral