*SUPPORT*
IN: tufa gazzer fep OUT: GREEN GREEN GREEN GREEN
IN: zup OUT: BLUE
IN: zup gazzer OUT: BLUE BLUE
IN: dax gazzer OUT: PURPLE PURPLE
IN: zup blicket dax dax gazzer fep OUT: PURPLE PURPLE PURPLE BLUE PURPLE PURPLE PURPLE BLUE
IN: dax blicket zup OUT: BLUE PURPLE
IN: dax dax fep OUT: PURPLE PURPLE PURPLE PURPLE
IN: zup lug blicket zup zup gazzer OUT: BLUE BLUE BLUE BLUE YELLOW
IN: lug gazzer fep OUT: YELLOW YELLOW YELLOW YELLOW
IN: tufa blicket lug gazzer OUT: YELLOW YELLOW GREEN
IN: lug fep OUT: YELLOW YELLOW
IN: lug gazzer OUT: YELLOW YELLOW
IN: tufa OUT: GREEN
IN: lug OUT: YELLOW

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

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