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

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

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