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

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

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