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

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

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