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 Q]: Topic: Israeli raid on Gaza flotilla
Argument: Israeli raid in international waters violates i-law.
[EX A]: against

[EX Q]: Topic: US and NATO intervention in Libya
Argument: Pres has authority to commit to non-war military action.
[EX A]: in favor

[EX Q]: Topic: Education vouchers
Argument: Vouchers comply with separation of church and state.
[EX A]:
in favor