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

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

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