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: Gene patents
 Argument: Genes cannot be owned practically, are part of commons.
Example Output: against

Example Input: Topic: Bombing Hiroshima and Nagasaki
 Argument: Hiroshima was a strategic military headquarters and target.
Example Output: in favor

Example Input: Topic: Vegetarianism
 Argument: Animals have rights and it is wrong to kill them needlessly.
Example Output:
in favor