*SUPPORT*
IN: dax fep fep OUT: BLUE GREEN GREEN
IN: fep OUT: GREEN
IN: dax OUT: BLUE
IN: kiki blicket fep blicket fep wif gazzer OUT: GREEN YELLOW GREEN PINK
IN: dax blicket fep OUT: GREEN BLUE
IN: dax fep blicket dax OUT: BLUE BLUE GREEN
IN: kiki OUT: PINK
IN: dax blicket dax OUT: BLUE BLUE
IN: kiki tufa kiki gazzer OUT: PINK YELLOW PINK PINK
IN: fep blicket gazzer OUT: YELLOW GREEN
IN: gazzer kiki OUT: YELLOW PINK
IN: fep dax blicket fep wif kiki OUT: GREEN GREEN PINK BLUE
IN: kiki gazzer blicket dax OUT: PINK BLUE YELLOW
IN: fep wif fep OUT: GREEN GREEN

*QUERY*
IN: gazzer blicket dax OUT: BLUE YELLOW
IN: gazzer fep OUT: YELLOW GREEN
IN: gazzer blicket fep tufa dax OUT: BLUE GREEN YELLOW GREEN YELLOW
IN: kiki gazzer OUT: PINK YELLOW
IN: kiki wif kiki fep wif kiki OUT: PINK PINK GREEN PINK
IN: kiki blicket dax OUT: BLUE PINK
IN: dax blicket dax fep kiki OUT: BLUE GREEN PINK BLUE
IN: kiki blicket kiki OUT: PINK PINK
IN: kiki dax blicket gazzer OUT: PINK YELLOW BLUE
IN: gazzer blicket kiki OUT: PINK YELLOW

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