Build a 3-D animation movie

I want to make a funny 3-D animation movie which has following characters: - Group of bulls - 2 Dinosaurs Location : It should be thick, green and deep forest with hills background, slightly drizzling. Story Board: 1)Group of bulls walking in the forest for the food. 2)They stop at one place to drink water. 3)Bulls hear dinosaurs screaming in the background and coming towards them 4)All bulls runs in group except one running in wrong side 5)Dinosaurs runs towards this bull and come towards it 6)One dinosaur try to attack bull. 7)But bull hits dinosaur with its horns and dinosaur falls down. 8)Other dinosaur is scared now on seeing the angry bull. On seeing this, other bulls joins and surround dinosaurs 9) Dinosaurs runs and manage to escape from the scene with fear. 10)Bulls chases the dinosaurs and scene should end here. Other conditions: - I am planning to have this a funny video which does not happen in real. So, when Bull(s) fears Dinosaurs, the expressions of it should make anyone laugh. - As i want this video during Dinosaurs period, we can have a big sized bull instead of current sized bull size to make the situation real. - I want this video in 3-D animation with movements (running, screaming, walking, drinking) without background music but if you add music based on situation, it will be added advantage to this project. - Also, when Bulls stops to drink water, the water should be slightly floating towards bulls but not completely to make the situation more realistic. - As I said, it should be slightly drizzling, the clouds should be black on one side but not complete. And it is in the mid-afternoon but not in the night. - Don't show any lightning/thunders.