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

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

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