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

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

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