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

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

*GRAMMAR*
zup -> YELLOW 
 wif -> BLUE 
 tufa -> GREEN 
 dax -> PINK 
 u1 blicket u2 -> [u1] [u2] 
 u1 kiki -> [u1] [u1] 
 x1 gazzer -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 