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

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

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