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: Three Gorges Dam
 Argument: Three Gorges Dam damages water quality.

Output: against


Input: Consider Input: Topic: US offshore oil drilling
 Argument: US offshore drilling would hardly lower global oil prices.

Output: against


Input: Consider Input: Topic: Medical marijuana dispensaries
 Argument: Smoking marijuana impairs the immune system.


Output: against