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

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

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