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: Abortion
 Argument: Abortion may have a positive or neutral impact on the emotions of the women.
[A]: neutral


[Q]: Topic: US health care reform
 Argument: US health care law ends pre-existing conditions discrimination.
[A]: in favor


[Q]: Topic: Natural gas vehicles
 Argument: Natural gas leaks are a fire and explosion risk.
[A]:
against