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

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

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