cute 3d rendered stegosaur with a tie, standing on hind legs, pointing at blackboard, teaching a lesson 
cute 3d rendered stegosaur with a tie, standing on hind legs, pointing at blackboard, teaching a lesson --v 4
cute 3d rendered stegosaur with a tie, standing on hind legs, pointing at blackboard, teaching a lesson
a cartoon dinosaur holding a chalkboard
a cartoon dinosaur standing in front of a blackboard
a cartoon dinosaur is holding a blackboard
a cartoon dinosaur is standing in front of a chalkboard