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

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

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