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

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

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