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

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

*GRAMMAR*
fep -> PINK 
 dax -> PURPLE 
 wif -> BLUE 
 lug -> YELLOW 
 x1 gazzer u1 -> [u1] [x1] [x1] 
 x1 zup x2 -> [x1] [x2] 
 x1 tufa u1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 