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

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

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