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

Ex Output:
against


Ex Input:
Topic: Geoengineering
 Argument: Geoengineering risks can be tested, corrected, avoided.

Ex Output:
in favor


Ex Input:
Topic: Animal testing
 Argument: Tested animals are treated humanely.

Ex Output:

in favor