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

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

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