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

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

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