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

*QUERY*
IN: gazzer fep zup lug OUT: YELLOW BLUE PINK
IN: dax zup gazzer OUT: GREEN YELLOW
IN: fep kiki dax OUT: BLUE GREEN BLUE
IN: gazzer fep kiki gazzer OUT: YELLOW BLUE YELLOW BLUE
IN: lug OUT: PINK
IN: lug fep kiki gazzer zup gazzer OUT: PINK BLUE YELLOW BLUE YELLOW
IN: gazzer fep dax zup gazzer zup dax OUT: YELLOW BLUE GREEN YELLOW GREEN
IN: fep kiki gazzer OUT: BLUE YELLOW BLUE
IN: dax OUT: GREEN
IN: gazzer OUT: YELLOW

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