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

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

*GRAMMAR*
lug -> RED 
 tufa -> BLUE 
 fep -> GREEN 
 dax -> YELLOW 
 u1 gazzer u2 -> [u2] [u1] [u2] [u2] 
 x1 wif -> [x1] [x1] 
 x1 blicket x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 