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

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

*GRAMMAR*
zup -> YELLOW 
 dax -> BLUE 
 fep -> PURPLE 
 tufa -> RED 
 x1 gazzer x2 -> [x2] [x1] [x1] [x1] 
 u1 kiki u2 -> [u1] [u2] [u1] 
 x1 wif -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 