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

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

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