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

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

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