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

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

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