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

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

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