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

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

*GRAMMAR*
kiki -> RED 
 tufa -> PURPLE 
 dax -> GREEN 
 lug -> BLUE 
 x1 fep x2 -> [x2] [x1] 
 x1 blicket u1 -> [u1] [x1] 
 u1 gazzer u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 