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

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

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