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

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

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