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".

Q: Topic: US health care reform
Argument: Government-approved insurers of US health care law limits competition.

A: against
****
Q: Topic: Mandatory military service
Argument: Mandatory service fosters militarism.

A: against
****
Q: Topic: NATO expansion
Argument: Russians are feeling betrayed by the expansion of NATO.

A:
against
****