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

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

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