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: Colonization of the Moon
Argument: Territorial claims on the Moon will become a source of conflict.

SOLUTION: against

PROBLEM: Topic: Geoengineering, solar shading
Argument: Solar shading would reduce sunlight received by plants.

SOLUTION: against

PROBLEM: Topic: Oil sands
Argument: Better to import oil from Canadian sands than from corrupt regimes.

SOLUTION:
in favor