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

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

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