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

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

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