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

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

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