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

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

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