*SUPPORT*
IN: dax gazzer tufa OUT: BLUE BLUE BLUE BLUE BLUE BLUE
IN: dax OUT: BLUE
IN: kiki gazzer OUT: GREEN GREEN
IN: wif dax gazzer blicket OUT: RED BLUE BLUE RED BLUE BLUE
IN: wif tufa OUT: RED RED RED
IN: lug OUT: PURPLE
IN: dax gazzer blicket OUT: BLUE BLUE BLUE BLUE
IN: wif OUT: RED
IN: lug gazzer OUT: PURPLE PURPLE
IN: wif gazzer tufa OUT: RED RED RED RED RED RED
IN: kiki OUT: GREEN
IN: lug blicket blicket OUT: PURPLE PURPLE PURPLE PURPLE
IN: kiki dax blicket OUT: GREEN BLUE GREEN BLUE
IN: kiki gazzer blicket OUT: GREEN GREEN GREEN GREEN

*QUERY*
IN: dax blicket OUT: BLUE BLUE
IN: dax kiki lug OUT: BLUE GREEN PURPLE
IN: kiki wif dax OUT: GREEN RED BLUE
IN: dax wif OUT: BLUE RED
IN: wif kiki OUT: RED GREEN
IN: lug tufa OUT: PURPLE PURPLE PURPLE
IN: dax gazzer OUT: BLUE BLUE
IN: kiki kiki kiki gazzer blicket OUT: GREEN GREEN GREEN GREEN GREEN GREEN GREEN GREEN
IN: wif gazzer OUT: RED RED
IN: kiki blicket OUT: GREEN GREEN

*GRAMMAR*
lug -> PURPLE 
 kiki -> GREEN 
 dax -> BLUE 
 wif -> RED 
 u1 gazzer -> [u1] [u1] 
 x1 blicket -> [x1] [x1] 
 x1 tufa -> [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 