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

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

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