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

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

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