TASK DEFINITION: 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". 
PROBLEM: Topic: Geoengineering
 Argument: Many green orgs and scientists support geoengineering option.

SOLUTION: in favor

PROBLEM: Topic: Israeli settlements
 Argument: Jews have historical right to return to West Bank.

SOLUTION: in favor

PROBLEM: Topic: Geoengineering
 Argument: Geoengineering may whiten skies, harm human psychology.

SOLUTION:
against