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

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

*GRAMMAR*
dax -> RED 
 tufa -> GREEN 
 lug -> BLUE 
 zup -> PINK 
 u1 blicket u2 -> [u1] [u2] 
 x1 wif -> [x1] [x1] 
 x1 fep -> [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 