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

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

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