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

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

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