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

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

*GRAMMAR*
blicket -> PINK 
 fep -> YELLOW 
 tufa -> BLUE 
 dax -> GREEN 
 u1 zup x1 -> [x1] [u1] 
 x1 kiki x2 -> [x1] [x2] 
 u1 gazzer u2 -> [u1] [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 