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

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

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