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

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

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