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: Turkey EU membership
 Argument: A growing EU reduces the significance of Turkey's size and population:.

Ex Output:
against


Ex Input:
Topic: UN Security Council veto
 Argument: UN SC veto need not be abolished, but extended to more countries.

Ex Output:
in favor


Ex Input:
Topic: Manned mission to Mars
 Argument: Weight of supplies for long Mars trip is impractical.

Ex Output:

against