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

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

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