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

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

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