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". 

Ex Input:
Topic: Manned mission to Mars
 Argument: Cumulative challenges and risks of Mars mission are too great.

Ex Output:
against


Ex Input:
Topic: Military recruiting in public schools
 Argument: Military recruiting in high schools is not essential.

Ex Output:
against


Ex Input:
Topic: Gay marriage
 Argument: Gay marriage should not be banned for tradition.

Ex Output:

in favor