Generate a question that has the following answer: crocodiles that are believed to be extinct for the following movie plot: Lake Placid 3 is set at the same fictional Black Lakein Aroostook County, Maineas the first two films.The film opens up with a truck labeled "Dimitri's American Market", where the owner is driving and two teenagers are re-kindling their romance in the back. The man says to the driver to stop the truck and leave them to relax down by the lake. The man and woman are seen having sex with each other on shore very close to the water, when something attacks the man and drags him into the water. It is estimated that four baby crocodiles have attacked and killed the man then swarm in and kill the woman as well.Back at the house of Sadie Bickerman, her son, Nathan (Colin Ferguson), his wife, Susan and little boy, Connor, have finished gathering all of Sadie's belongings and decide on whether or not they are going to sell the house. A pet lizard that has escaped from its cage is loose and Connor follows it all the way outside to the lake where the baby crocodiles are. Revering them as his new "pets", Connor secretly begins to feed the baby crocs with products such as beef jerky and frozen meat that Connor has stolen from the supermarket.Meanwhile, Nathan is out searching for a missing elk, only to find its severed head and wondering if it could've been the act of a cougar lady, Reba (Yancy Butler) or something else. Nathan calls for Sheriff Willinger (Michael Ironside) to help track down whatever it was that killed the elk. In a local bar, a teenager, Brett, has come to Reba for some assistance. To find his girlfriend, Ellie, who is somewhere on the lake. Reba agrees to help and brings in her two hunting partners along with her for the search.However, without warning, the crocodiles have been growing bigger and becoming more aggressive. One of the crocodiles attacks Reba's boat, killing one of her hunting partners and the three are stranded in the woods. Another crocodile attacks two high-school teenagers, leaving their two friends left out to fend for themselves. Back at Sadie's house, Connor is found by his mother...
A:
what does nathan tell the tourists about crocodiles?