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

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

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