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

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

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