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

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

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