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

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

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