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

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

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