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".

Example Input: Topic: Prisoners right to vote
Argument: Prisoner voting cheapens votes of citizens.
Example Output: against

Example Input: Topic: Mine Ban Treaty (Ottawa Treaty)
Argument: Efforts to clear landmines should be improved, instead banning them.
Example Output: against

Example Input: Topic: Natural gas
Argument: Natural gas can be harmful and even poisonous to ingest.
Example Output:
against