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

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

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