* A class that represents the command line configuration of the application.
* An abstract class definite how extractions are outputted.
* All relevant data is printed in columns seperated by tab.
* Sentences are printed followed by extractions, one per line.
* Main method with structured arguments.
* A command line application for exploring Open IE.
Input is a sentence (or text to be broken into sentences if --split is specified) and output is one or more extractions.