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". 

Topic: Abortion
 Argument: The fetus causes physical pain; the woman has a right to self-defense.
in favor

Topic: DC handgun ban
 Argument: A handgun is uniquely valuable in self defense in one's home.
against

Topic: Bombing Hiroshima and Nagasaki
 Argument: No international law forbade the bombing of Japanese civilians.

in favor