I am a movie director and I just received the following movie plot. Could you help me answer this question? If not, let me know by writing "Not answerable". Plot title: Reign of Fire Movie plot: During Underground construction in London around the year 2008, a huge, hibernating dragon is discovered and springs to life, instantly incinerating all construction workers with its fiery breath. The only survivor is the 12-year-old Quinn Abercromby (Ben Thornton), whose mother (Alice Krige) was chief of the construction crew. The dragon escapes, and soon thousands of them work their way through Europe and eventually the rest of the world, burning everything, feeding on the ashes, and multiplying at an exponential rate. The world powers use their most powerful weapons, but this only hastens the destruction of the planet.In 2020, the adult Quinn (played by Christian Bale) leads a colony of survivors in a medieval stone castle in Northumberland, a lonely bastion of mankind, afraid of the sky and the dragons that could attack any time. Their hope is to outlast the dragons, wait until they die out again (as they presumably did several times before) and go into hibernation. Unfortunately, the people are beginning to starve while waiting for their crops to ripen. Quinn finds it difficult to keep members of his colony from harvesting from their crops before they've matured. One morning a small team sneaks out to harvest tomatoes. They draw the attention of an attacking dragon that burns a few of them and torches most of the remainder of the crop. Quinn and his friend Creedy rescue the survivors in armored vehicles. At night, Creedy and Quinn entertain the kids of the colony with a playacted rendition of Star Wars. They also have the kids recite a prayer warning them to watch the skies for dragons and dig tunnels to survive.One day, a team of American dragon-slayers arrive in an armored column, led by Denton Van Zan (Matthew McConaughey) and bringing a Chieftain tank and an Agusta A109 helicopter, piloted by Alex (Izabella Scorupco). The American team's request to enter the castle grounds is first refused by Quinn. Van Zan shows Quinn a dragon's tooth he wears around his neck, saying that it came from the 1st one he... My question: What species caused dinosaurs extinction?
Not answerable