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

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

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