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: Charter schools
 Argument: Adaptive charter schools can make necessary changes.
Example Output: in favor

Example Input: Topic: Law school
 Argument: Public interest legal jobs are underpaid.
Example Output:
against