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

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

*GRAMMAR*
blicket -> BLUE 
 dax -> RED 
 tufa -> PINK 
 kiki -> YELLOW 
 u1 zup u2 -> [u2] [u1] [u1] 
 x1 gazzer x2 -> [x1] [x2] 
 x1 fep -> [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 