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

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

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