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

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

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