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". 

Ex Input:
Topic: Vehicle fuel economy standards
 Argument: CAFE standards have strong history of reducing US emissions.

Ex Output:
in favor


Ex Input:
Topic: Bombing Hiroshima and Nagasaki
 Argument: Conventional bombs would not kill so many people.

Ex Output:
against


Ex Input:
Topic: US health care reform
 Argument: Passing historic health care bill victory for Dems.

Ex Output:

neutral