Simpler Question Classes, with mapping to ISI's hierarchy
These were borrowed from the Question Class list defined by the Cognitive Computation Group at UIUC
http://l2r.cs.uiuc.edu/~cogcomp/Data/QA/QC/definition.html
Abbr	Question Class	Definition	ISI mapping
ABBR	Abbreviation	Abbreviation	R-Abbreviation
			A-Abbreviation-Expansion
			A-Abbreviation
ENTY	Entity	Entities	C-Proper-Animal
			C-Plant-Flora
			C-Substance
			C-Animal
			C-Human-Food
			C-Body-Part
			C-Disease
			C-Instrument
			C-Musical-Instrument
			C-Sport
			C-Color
DESC	Description	Description and Abstract Concepts	R-WhyFamous
			R-Definition
			A-Why-Famous
			A-Definition
			A-Terminology
			A-Synonym
			A-Contrast
			A-Veracity
			A-Translation
			A-Function
			A-Components
			A-Cause-of-Death
			A-Philosophical-Question
HUM	Human	Human Beings	R-Persons
			R-Discoverers
			R-Positions
			C-Proper-Person
			C-Proper-Dynasty
			C-Proper-Language
			C-Proper-Organization
			C-University-Agency
			C-Occupation-Person
			C-Spiritual-Being
LOC	Location	Locations	R-Location
			C-At-Location
			C-Proper-Place
			C-Locator
			C-Left-or-Right
			C-Nationality
NUM	Numeric	Numeric Values, Dates, Times	R-Time
			R-Population
			A-Population
			C-Temp-Loc
			C-Quantity
			C-Unit
			C-Temporal-Interval