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

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

*GRAMMAR*
blicket -> PINK 
 wif -> GREEN 
 dax -> RED 
 zup -> BLUE 
 u1 fep -> [u1] [u1] 
 x1 gazzer x2 -> [x2] [x1] 
 x1 lug -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 