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

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

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