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

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

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