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

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

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