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". 

Input: Consider Input: Topic: Geoengineering, iron fertilization of algae blooms
 Argument: Global warming kills algae, worsens warming; iron fertilization helps.

Output: in favor


Input: Consider Input: Topic: Constitutionality of US health insurance mandates
 Argument: Congress can't regulate behavior indirectly impacting commerce.

Output: against


Input: Consider Input: Topic: Ecotourism
 Argument: Third world governments often seize local control to expand ecotourism.


Output: against