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: Cellulosic ethanol
 Argument: Cellulosic ethanol can be 0 emissions.

A: in favor
****
Q: Topic: US Renewable Electricity Standard
 Argument: Renewable Electricity Standard is more consistent than tax credits.

A: in favor
****
Q: Topic: Hydroelectric dams
 Argument: Dams can burst at great cost to human life.

A:
against
****