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: Hydrogen vehicles
 Argument: Hydrogen cars will help end foreign oil dependencies.

A: in favor
****
Q: Topic: Fish farming ban
 Argument: Fish feel pain and should not be made to suffer.

A: in favor
****
Q: Topic: Single-payer universal health care
 Argument: Universal health care systems incentivize improving patient health.

A:
in favor
****