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

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

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