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

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

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