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

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

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