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

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

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