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

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

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