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

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

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