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

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

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