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". 

[EX Q]: Topic: Breastfeeding in public
 Argument: Breastfeeding is best for the health and development of babies.
[EX A]: in favor

[EX Q]: Topic: Kangaroo culling in Australia
 Argument: Killing millions of kangaroos does not make it sustainable.
[EX A]: against

[EX Q]: Topic: Algae biofuel
 Argument: Algae from coal ties the biofuel to fossil fuels.
[EX A]:
neutral