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

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

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