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

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

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