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

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

*GRAMMAR*
fep -> YELLOW 
 zup -> RED 
 kiki -> BLUE 
 gazzer -> GREEN 
 u1 tufa x1 -> [x1] [u1] [x1] 
 u1 wif u2 -> [u1] [u2] 
 u1 lug -> [u1] [u1] [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 