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

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

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