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

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

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