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

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

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