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". 

Q: Topic: Nuclear energy
 Argument: Concentration of power in nuclear is economical.

A: in favor
****
Q: Topic: Ecotourism
 Argument: Ecotourism economically benefits local people.

A: in favor
****
Q: Topic: Deporting illegal immigrants in the US
 Argument: Costs of deportation made up for by savings to taxpayers.

A:
in favor
****