*SUPPORT*
IN: zup tufa lug dax OUT: RED PURPLE GREEN
IN: dax blicket tufa OUT: PURPLE GREEN
IN: dax blicket tufa gazzer dax OUT: PURPLE GREEN PURPLE PURPLE
IN: zup blicket zup lug dax gazzer kiki OUT: RED PURPLE RED YELLOW YELLOW
IN: kiki lug tufa OUT: GREEN YELLOW
IN: dax OUT: PURPLE
IN: kiki lug zup OUT: RED YELLOW
IN: zup gazzer dax OUT: RED PURPLE PURPLE
IN: kiki zup lug dax OUT: YELLOW PURPLE RED
IN: kiki blicket tufa kiki tufa tufa lug dax OUT: YELLOW GREEN YELLOW GREEN PURPLE GREEN
IN: kiki blicket zup lug kiki gazzer kiki OUT: YELLOW YELLOW RED YELLOW YELLOW
IN: dax kiki OUT: PURPLE YELLOW
IN: dax lug dax OUT: PURPLE PURPLE
IN: tufa OUT: GREEN

*QUERY*
IN: zup blicket tufa OUT: RED GREEN
IN: dax lug tufa OUT: GREEN PURPLE
IN: tufa lug dax OUT: PURPLE GREEN
IN: tufa lug tufa gazzer dax OUT: GREEN GREEN PURPLE PURPLE
IN: tufa gazzer tufa OUT: GREEN GREEN GREEN
IN: tufa tufa lug zup OUT: GREEN RED GREEN
IN: tufa blicket kiki lug kiki gazzer kiki OUT: GREEN YELLOW YELLOW YELLOW YELLOW
IN: tufa tufa dax zup lug kiki gazzer kiki OUT: GREEN GREEN PURPLE YELLOW RED YELLOW YELLOW
IN: kiki OUT: YELLOW
IN: zup OUT: RED

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