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

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

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