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

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

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