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

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

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