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

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

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