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

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

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