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

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

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