*SUPPORT*
IN: wif kiki blicket dax OUT: YELLOW RED GREEN
IN: dax lug OUT: GREEN GREEN
IN: dax OUT: GREEN
IN: kiki kiki blicket dax OUT: RED RED GREEN
IN: wif blicket fep OUT: YELLOW PURPLE
IN: kiki blicket fep OUT: RED PURPLE
IN: fep gazzer OUT: PURPLE PURPLE
IN: dax blicket kiki OUT: GREEN RED
IN: wif dax OUT: YELLOW GREEN
IN: wif blicket kiki OUT: YELLOW RED
IN: wif OUT: YELLOW
IN: dax kiki gazzer OUT: GREEN RED RED
IN: fep kiki gazzer OUT: PURPLE RED RED
IN: wif gazzer OUT: YELLOW YELLOW

*QUERY*
IN: fep kiki dax gazzer OUT: PURPLE RED GREEN GREEN
IN: fep wif blicket dax OUT: PURPLE YELLOW GREEN
IN: wif lug OUT: YELLOW YELLOW
IN: fep blicket dax OUT: PURPLE GREEN
IN: kiki lug OUT: RED RED
IN: dax gazzer OUT: GREEN GREEN
IN: kiki gazzer OUT: RED RED
IN: dax blicket fep OUT: GREEN PURPLE
IN: kiki OUT: RED
IN: wif blicket dax OUT: YELLOW GREEN

*GRAMMAR*
wif -> YELLOW 
 kiki -> RED 
 fep -> PURPLE 
 dax -> GREEN 
 u1 lug -> [u1] [u1] 
 u1 gazzer -> [u1] [u1] 
 u1 blicket u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 