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

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

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