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

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

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