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: Mine Ban Treaty (Ottawa Treaty)
 Argument: Efforts to clear landmines should be improved, instead banning them.

A: against
****
Q: Topic: Hydroelectric dams
 Argument: Many aquatic species have no problem adapting to impounded waters.

A: in favor
****
Q: Topic: Palestinian right of return
 Argument: Denationalization of Palestinians illegal; have right of return.

A:
in favor
****