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

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

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