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

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

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