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: Legality of coca production and consumption
 Argument: Coca chewing is bad for human health.

A: against
****
Q: Topic: Merit pay for teachers
 Argument: Past examples of merit pay for teachers have failed.

A: against
****
Q: Topic: Hybrid vehicles
 Argument: Electric vehicles combat global warming more aggressively than hybrids.

A:
against
****