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: Instant replay in baseball
 Argument: Machines shouldn't be determining calls in baseball.

Ex Output:
against


Ex Input:
Topic: Underground nuclear waste storage
 Argument: Nuclear waste storage requires huge state subsidies.

Ex Output:
against


Ex Input:
Topic: Education vouchers
 Argument: Vouchers promote innovation and specialisation.

Ex Output:

in favor