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

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

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