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

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

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