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: Geoengineering
 Argument: Many geoengineering solutions cut atmospheric greenhouse gases.

A: in favor
****
Q: Topic: Vegetarianism
 Argument: Eating meat is bad for both animals and for humans; simple ethics.

A: in favor
****
Q: Topic: Solar energy
 Argument: Producing solar cells need not use fossil fuel energy.

A:
in favor
****