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: Hybrid vehicles
 Argument: Hybrids increase efficiency by shutting engines down while idling.
Example Output: in favor

Example Input: Topic: Palestinian right of return
 Argument: Jewish state intended to preempt any right of return.
Example Output: neutral

Example Input: Topic: Health insurance mandates
 Argument: MA insurance mandates are performing pretty well.
Example Output:
in favor