*SUPPORT*
IN: lug dax dax gazzer OUT: RED GREEN GREEN GREEN
IN: fep dax zup OUT: PURPLE GREEN GREEN
IN: fep lug zup OUT: PURPLE RED RED
IN: kiki OUT: BLUE
IN: lug zup OUT: RED RED
IN: lug lug tufa OUT: RED RED RED RED
IN: dax zup OUT: GREEN GREEN
IN: dax fep zup OUT: GREEN PURPLE PURPLE
IN: dax tufa OUT: GREEN GREEN GREEN
IN: dax OUT: GREEN
IN: fep OUT: PURPLE
IN: fep lug OUT: PURPLE RED
IN: lug tufa OUT: RED RED RED
IN: fep zup OUT: PURPLE PURPLE

*QUERY*
IN: lug OUT: RED
IN: lug fep fep gazzer OUT: RED PURPLE PURPLE PURPLE
IN: lug gazzer OUT: RED RED
IN: dax gazzer OUT: GREEN GREEN
IN: fep tufa OUT: PURPLE PURPLE PURPLE
IN: kiki lug OUT: BLUE RED
IN: kiki lug zup OUT: BLUE RED RED
IN: lug fep tufa OUT: RED PURPLE PURPLE PURPLE
IN: kiki gazzer OUT: BLUE BLUE
IN: kiki zup OUT: BLUE BLUE

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