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

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

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