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: Cellulosic ethanol
 Argument: Cellulosic ethanol can be 0 emissions.

Ex Output:
in favor


Ex Input:
Topic: Israeli military assault in Gaza
 Argument: Israeli attacks may force Hamas to accept a more durable ceasefire.

Ex Output:
in favor


Ex Input:
Topic: Assisted suicide
 Argument: Pain can't justify euthanasia, it can be made tolerable with modern medicines.

Ex Output:

against