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

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

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