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

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

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