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

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

*GRAMMAR*
lug -> GREEN 
 dax -> YELLOW 
 fep -> PURPLE 
 tufa -> BLUE 
 u1 blicket x1 -> [x1] [u1] [u1] 
 u1 gazzer -> [u1] [u1] 
 u1 zup u2 -> [u1] [u2] [u2] 
 u1 x1 -> [u1] [x1] 
 