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

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

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