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

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

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