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

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

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