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

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

*GRAMMAR*
fep -> GREEN 
 zup -> RED 
 tufa -> PURPLE 
 lug -> BLUE 
 x1 kiki x2 -> [x2] [x1] 
 u1 dax u2 -> [u1] [u2] [u2] 
 u1 wif -> [u1] [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 