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

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

*GRAMMAR*
dax -> YELLOW 
 kiki -> BLUE 
 tufa -> PURPLE 
 lug -> GREEN 
 x1 blicket x2 -> [x2] [x1] 
 u1 gazzer u2 -> [u1] [u2] 
 x1 wif -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 