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

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

*GRAMMAR*
tufa -> YELLOW 
 zup -> BLUE 
 gazzer -> GREEN 
 lug -> PURPLE 
 x1 blicket -> [x1] [x1] [x1] [x1] 
 x1 fep x2 -> [x1] [x2] 
 u1 dax -> [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 