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

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

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