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

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

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