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

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

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