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

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

*GRAMMAR*
fep -> RED 
 zup -> BLUE 
 kiki -> GREEN 
 lug -> YELLOW 
 u1 tufa -> [u1] [u1] [u1] 
 x1 wif x2 -> [x1] [x2] [x1] 
 x1 dax u1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 