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

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

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