*SUPPORT*
IN: dax dax lug OUT: RED RED RED RED
IN: gazzer gazzer blicket dax OUT: GREEN RED GREEN
IN: fep kiki kiki OUT: YELLOW YELLOW YELLOW YELLOW
IN: gazzer lug OUT: GREEN GREEN GREEN
IN: fep blicket tufa OUT: PINK YELLOW
IN: tufa lug OUT: PINK PINK PINK
IN: dax dax fep dax lug OUT: RED RED YELLOW RED RED RED
IN: gazzer fep lug kiki OUT: GREEN YELLOW YELLOW YELLOW GREEN YELLOW YELLOW YELLOW
IN: dax lug OUT: RED RED RED
IN: gazzer blicket fep OUT: YELLOW GREEN
IN: fep tufa OUT: YELLOW PINK
IN: gazzer gazzer lug OUT: GREEN GREEN GREEN GREEN
IN: gazzer OUT: GREEN
IN: tufa blicket tufa kiki OUT: PINK PINK PINK PINK

*QUERY*
IN: fep dax blicket tufa OUT: YELLOW PINK RED
IN: gazzer fep blicket dax kiki OUT: GREEN RED YELLOW GREEN RED YELLOW
IN: gazzer blicket dax OUT: RED GREEN
IN: dax OUT: RED
IN: tufa blicket fep OUT: YELLOW PINK
IN: tufa dax lug OUT: PINK RED RED RED
IN: dax blicket dax OUT: RED RED
IN: tufa lug kiki OUT: PINK PINK PINK PINK PINK PINK
IN: fep lug OUT: YELLOW YELLOW YELLOW
IN: dax fep dax OUT: RED YELLOW RED

*GRAMMAR*
dax -> RED 
 fep -> YELLOW 
 tufa -> PINK 
 gazzer -> GREEN 
 u1 lug -> [u1] [u1] [u1] 
 x1 kiki -> [x1] [x1] 
 u1 blicket u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 