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

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

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