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

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

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