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

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

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