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

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

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