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

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

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