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

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

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