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

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

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