*SUPPORT*
IN: zup gazzer dax OUT: RED BLUE
IN: dax gazzer zup OUT: BLUE RED
IN: dax fep dax tufa OUT: BLUE BLUE BLUE
IN: lug fep lug OUT: PINK PINK
IN: blicket fep blicket OUT: GREEN GREEN
IN: dax OUT: BLUE
IN: blicket OUT: GREEN
IN: zup lug zup gazzer zup OUT: RED PINK RED RED
IN: blicket tufa OUT: GREEN GREEN
IN: lug tufa OUT: PINK PINK
IN: lug fep zup tufa OUT: PINK RED RED
IN: zup OUT: RED
IN: zup fep blicket tufa OUT: RED GREEN GREEN
IN: zup tufa OUT: RED RED

*QUERY*
IN: lug gazzer dax OUT: PINK BLUE
IN: lug dax tufa OUT: PINK BLUE BLUE
IN: dax fep zup blicket fep lug OUT: BLUE RED GREEN PINK
IN: lug dax OUT: PINK BLUE
IN: blicket fep lug lug OUT: GREEN PINK PINK
IN: lug fep dax OUT: PINK BLUE
IN: zup dax tufa OUT: RED BLUE BLUE
IN: zup fep lug fep lug tufa OUT: RED PINK PINK PINK
IN: lug fep blicket fep blicket gazzer lug OUT: PINK GREEN GREEN PINK
IN: blicket gazzer dax OUT: GREEN BLUE

*GRAMMAR*
blicket -> GREEN 
 zup -> RED 
 lug -> PINK 
 dax -> BLUE 
 u1 tufa -> [u1] [u1] 
 u1 fep x1 -> [u1] [x1] 
 u1 gazzer u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 