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

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

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