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: Manned mission to Mars
 Argument: Committing to Mars will inspire NASA to make it happen.

SOLUTION: in favor

PROBLEM: Topic: Abortion
 Argument: If a fetus was defined as a person, the legal shifts would be too dramatic.

SOLUTION: in favor

PROBLEM: Topic: Hydrogen vehicles
 Argument: Hydrogen cars will help end foreign oil dependencies.

SOLUTION:
in favor