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

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

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