*SUPPORT*
IN: zup zup OUT: GREEN GREEN
IN: dax tufa OUT: RED RED RED
IN: kiki dax blicket dax OUT: YELLOW RED RED
IN: kiki fep OUT: YELLOW PURPLE
IN: zup lug dax blicket fep OUT: GREEN RED PURPLE
IN: fep blicket dax OUT: PURPLE RED
IN: fep tufa OUT: PURPLE PURPLE PURPLE
IN: kiki blicket kiki tufa OUT: YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW
IN: zup tufa OUT: GREEN GREEN GREEN
IN: dax lug dax lug dax OUT: RED RED RED
IN: kiki blicket dax OUT: YELLOW RED
IN: dax blicket kiki OUT: RED YELLOW
IN: kiki OUT: YELLOW
IN: zup lug kiki blicket kiki tufa OUT: GREEN YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW

*QUERY*
IN: dax lug zup blicket dax tufa OUT: RED GREEN RED GREEN RED GREEN RED
IN: zup lug kiki dax tufa OUT: GREEN YELLOW RED YELLOW RED YELLOW RED
IN: dax OUT: RED
IN: dax blicket kiki tufa OUT: RED YELLOW RED YELLOW RED YELLOW
IN: fep lug fep lug zup tufa OUT: PURPLE PURPLE GREEN GREEN GREEN
IN: dax lug zup lug kiki blicket fep OUT: RED GREEN YELLOW PURPLE
IN: kiki lug fep dax fep OUT: YELLOW PURPLE RED PURPLE
IN: fep lug fep OUT: PURPLE PURPLE
IN: kiki blicket zup OUT: YELLOW GREEN
IN: fep OUT: PURPLE

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