*SUPPORT*
IN: tufa gazzer tufa OUT: RED RED RED RED
IN: dax OUT: PURPLE
IN: zup gazzer blicket lug dax OUT: BLUE GREEN GREEN BLUE PURPLE
IN: tufa lug dax OUT: RED PURPLE
IN: blicket dax OUT: GREEN PURPLE
IN: tufa zup wif wif OUT: RED BLUE RED BLUE RED BLUE RED BLUE
IN: blicket OUT: GREEN
IN: blicket tufa OUT: GREEN RED
IN: blicket tufa gazzer tufa lug dax OUT: GREEN RED RED RED RED PURPLE
IN: blicket blicket gazzer blicket OUT: GREEN GREEN GREEN GREEN GREEN
IN: zup OUT: BLUE
IN: zup tufa OUT: BLUE RED
IN: zup tufa wif wif OUT: BLUE RED BLUE RED BLUE RED BLUE RED
IN: tufa gazzer blicket OUT: RED GREEN GREEN RED

*QUERY*
IN: zup lug blicket wif OUT: BLUE GREEN BLUE GREEN
IN: tufa OUT: RED
IN: dax gazzer dax OUT: PURPLE PURPLE PURPLE PURPLE
IN: zup blicket lug blicket wif OUT: BLUE GREEN GREEN BLUE GREEN GREEN
IN: zup gazzer tufa lug blicket OUT: BLUE RED RED BLUE GREEN
IN: dax dax gazzer zup lug tufa OUT: PURPLE PURPLE BLUE BLUE PURPLE RED
IN: dax dax gazzer blicket OUT: PURPLE PURPLE GREEN GREEN PURPLE
IN: zup zup zup OUT: BLUE BLUE BLUE
IN: dax wif wif OUT: PURPLE PURPLE PURPLE PURPLE
IN: blicket gazzer blicket OUT: GREEN GREEN GREEN GREEN

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