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

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

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