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

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

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