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

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

*GRAMMAR*
wif -> PURPLE 
 dax -> BLUE 
 gazzer -> YELLOW 
 lug -> GREEN 
 x1 tufa u1 -> [x1] [u1] 
 x1 kiki -> [x1] [x1] 
 x1 zup x2 -> [x1] [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 