user: In this task, you're given an article and an answer. Your task is to generate the question for the answer based on the given article.

[Q]: Article: When you're returning to Australia, be careful that you don't bring in pests and diseases. Some items you might bring back from overseas can be pests and diseases that Australia doesn't have. When you return, declare all food, meat, fruits, plants, seeds, wooden souvenirs, animal or plant materials. Australia has strict quarantine laws and tough on-the-spot fines. Every piece of luggage is now screened or X-rayed. If you fail to declare any quarantine items, or if you make a false declaration, you will get caught. In addition to on-the-spot fines, you could be accused and fined more than $60, 000 and you may risk 10 years in prison. All international mail is also screened. Some products may require treatment to make them safe. Items that are restricted because of the risk of pests and diseases will be seized and destroyed by the Australian Quarantine and Inspection Service(AQIS). In many cases, the goods you declare will be returned to you after inspection. However, any item that presents a quarantine risk will be withheld . You will be given a range of options for each item depending on the quarantine risk: Treating the item to make it safe; Holding the item until an import permit is presented*; * Re-exporting the item; Destroying the item. Those treatments with the sign "*" are subject to fees. Further information: For more detailed information about bringing in food, animals, plants, animal or plant materials, call the AQIS at 1800-020-504. 
 Answer: A pair of glasses.
[A]: Which of the following don't you need to declare when returning to Australia?


[Q]: Article: Campers Gene and Marie Marsden took pride in being good citizens when in the wild. While driving miles to the Green River Lakes area, they taught their children what they had learned in the bear safety handbook put out by the Bridger-Teton Forest Service. Mr. and Mrs. Marsden did their best to keep a tidy camp. As the handbook had said to hang all food at least ten feet off the ground and four feet out from the trees, they did that and locked their food in their trailer  at night. It was already dark when they went to bed, but they _ the campsite with flashlights, making sure nothing was left out. Following the bear book's advice, they slept a hundred yards from where they cooked their food, and kept the car near their tents, separated from the trailer, which they left up at the other camp. The Marsdens liked having their dog Spike on guard. But on the first night, Spike would not stop barking. When Marie Marsden pulled the tent open and shone her flashlight, she saw a young bear. They all piled into the car and drove quickly down the path, calling out of the window to Spike and abandoning the trailer. They drove to a pay phone and called a Fish and Game Department guard, who identified the bear by the white ring of the fur the Marsdens had seen around his neck. The authorities informed the Marsdens that the bear was a young male that they'd been keeping an eye on. The next morning, the Marsdens heard helicopters circling over the mountain and wondered if it might have something to do with the bear. After spending the night in the public campground, they drove back to their site. Wandering the area in search of clues, Marie came to a stop below a tall tree. She slapped her head and shouted, "Oh no!" "What is it?" Gene asked. Marie pointed at the ground where Spike's dog food bowl lay upside down. A week after their return home, the Marsdens read the headline in their local paper. "Bear Killed in Wind Rivers." According to the article, the Fish and Game Department had shot the young bear because, having been rewarded for invading  a human campsite, it would likely to do so again. The Marsdens knew they had been lucky in the encounter, yet much to their shame and sadness, they also knew that the bear had not. 
 Answer: They did what the bear safety handbook had said.
[A]: What do we know about the Marsdens?


[Q]: Article: It's impolite to spit out the first bite of your dinner. But to a type of Australian snake, this rude behavior is a matter of life and death.        The snake, called a floodplain death adder , eats two types of frogs that are hard to stomach. The frogs produce chemicals to defend them from predators .         One of these species, the Dahl's frog, can kill a snake that tries to eat it. The other species, the marbled frog, is less dangerous but still tough to eat. When attacked, _ produces a glue like substance. Leaves and branches get caught up in this material, making a big sticky mess that gets in the way of anything trying to swallow it. A marbled frog can even get stuck on the head of an attacking snake.        Both frogs have good defense methods. But the floodplain death adder knows how to get around each of them.        Floodplain death adders quickly strike these frogs, using their poisonous teeth to inject poison. But then, instead of swallowing their dinner immediately, the snakes sit back and wait for their preys to become safe to eat. That's because both the Dahl's frog's protective toxin  and the marbled frog's glue break down over time. After a while, the frog toxin is no longer poisonous and the glue is no longer sticky.         The two substances break down at different rates, and floodplain death adders seem to know the difference, And adder waits for a different length of time depending on the species of frog it just struck.        The stickiness of the marbled frog glue decreased by as much as two-thirds after just 10 minutes. And that's just about how long an adder waits before eating a marbled frog.        On the other hand, the snakes wait for about 40 minutes before eating a Dahl's frog. That's enough time for the frog's toxin to break down into harmless substances.        But even a quick strike gives a taste of the Dahl frog's toxin. After striking such a frog, a floodplain death adder thrashes  around and lies on its back with its mouth open, It's like the snake has just had a mouthful of chili pepper.        By comparison, when given frogs that have no chemical defenses, floodplain death adders eat their prey immediately after striking. Snakes, despite the fact that they've got this tiny pea-size  brain are clearly capable of recognizing what kind of frog they've bitten. 
 Answer: A dangerous meal
[A]:

assistant: What's the best title of the passage?