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

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

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