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

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

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