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

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

*GRAMMAR*
dax -> RED 
 wif -> YELLOW 
 zup -> PURPLE 
 lug -> GREEN 
 u1 kiki u2 -> [u2] [u1] [u1] 
 u1 fep u2 -> [u1] [u2] [u2] 
 x1 gazzer -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 