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

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

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