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

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

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