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: Prostitution
Argument: By worsening HIV/AIDS, prostitution will devastate societies.

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: Israeli raid on Gaza flotilla
Argument: Gaza blockade causes economic and humanitarian suffering.

Ex Output:
against