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: Education vouchers
 Argument: Vouchers promote innovation and specialisation.
Example Output: in favor

Example Input: Topic: New START Treaty
 Argument: Russia will build-up nuclear arms without New START.
Example Output: in favor

Example Input: Topic: Legalization of drugs
 Argument: Forbidden fruit concept is nonsense.
Example Output:
against