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

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

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