SEOUL Arms control experts estimate that the dismantlement of North Korea's nuclear program could take a decade to complete, and cost $20 billion, if a nuclear agreement is reached between U.S. President Donald Trump and North Korean leader Kim Jong Un when they meet in Singapore on June 12. "The hard work has not yet begun, and it is gong to take sustained energy on the part of the United States, South Korea, Japan, China and North Korea. It's going to be a multiyear long process," said Daryl Kimball, the executive director of the Arms Control Association in Washington. President Trump has said he expects a "very positive result" from the North Korea nuclear summit, but he also said it will likely be the beginning of a process to resolve differences over the extent of the North's denuclearization, and the specifics regarding what sanctions relief, economic aid and security guarantees would be offered in return. U.S. Defense Secretary Jim Mattis said on Sunday that North Korea would only receive sanctions relief after it takes "verifiable and irreversible steps to denuclearization." This position aligns closer to the Kim government's stance that denuclearization measures and concessions be matched action for action. And it backs away from demands made by some in the president's national security team that Pyongyang quickly and unilaterally dismantle all its weapons of mass destruction before any concessions would be offered. North Korea is estimated to have 20 to 80 nuclear warheads, both known and covert nuclear research and processing sites, and thousands of ballistic missiles that can be launched from mobile vehicles, and submarine based launchers have been tested in recent years. With such an extensive nuclear arsenal it could cost $20 billion to achieve the U.S. goal of complete, irreversible, and verifiable nuclear dismantlement (CVID), according to a recent study conducted by Kwon Hyuk-chul, a Kookmin University professor of security strategy. Kwon based his assessment in part on past nuclear deals... Question: What is probably true about Kwon Hyuk-Chul? Options: A. He has spent a lot of time around nuclear warheads. B. He has spent a lot of time with Donald Trump. C. not enough information D. He has spent a lot of time doing research. === The correct answer is
D

I showed up at the address on Columbine's invitation just before eleven; it was a converted warehouse in an industrial zone on the city's north side. Since it was a Saturday night, everything else was empty for miles. The parking lot was filled with sports cars, hybrids, and shiny suburban tanks. The door facing the parking lot was open, spilling out muted lights and the din of yuppie chatter. It cast a somewhat foreboding aura over the entrance. The first thing I noticed as I approached was the beefy refrigerator in a rented tux blocking the doorway. The second thing was the surveillance camera perched on the wall above his head. I had stopped home and changed first, so I was sure I was dressed mostly appropriately for some rich faux-hipster art party - charcoal gray pinstripe jacket over a TV on the Radio t-shirt, skinny cuffed jeans, Docs, and a black fedora. I certainly didn't look any worse than the other idiots I saw filing in and out of the door. I even had an invitation. So I was fairly confident I'd be able to gain admission to this thing without incident. "No, absolutely not," the doorman said, pressing a meaty palm into my chest. "I was invited!" I said, exasperated. "I have documentation." I waved the rave card in front of his face. "No dice." I stepped aside to let a couple of aging goths through the door and wondered for a moment if the doorman somehow knew who I was. Then I noticed the ear piece he was wearing and my eyes darted back to the surveillance camera. "Motherfucker," I spat and raised both arms to flip off the camera. I didn't know it at the time, but at that moment Dylan Maxwell was sitting in front of a wall of monitors, laughing his ass off. Question: What band's t-shirt is the narrator wearing? Options: A. not enough information B. The Beatles C. TV on the Radio D. Pretty Girls Make Graves === The correct answer is
C

*Question*
Dietary supplements are big business, with around half of the Australian population using at least one type per year; most commonly a multivitamin and mineral pill. Many people take supplements as a form of dietary insurance in case they are not meeting their nutrient needs from foods alone. Others take them as a form of health insurance to protect against certain diseases. Some just take them out of habit. Supplements do have a role to play in some situations. People with a diagnosed deficiency, those with malabsorption conditions, women planning pregnancy, and people with very poor diets all can benefit from specific nutrient supplementation. But what about the benefit of supplements across the broad population? The mantra of most health professionals, which is even etched on the label of many supplements, is that supplements may only be of assistance if dietary sources are lacking. To see if this is supported by solid evidence, a systematic review of 63 clinical trials involving some form of supplementation in non-pregnant adults was carried out by a team of medical researchers. The clinical trials were broad in their nature with many nutrients studied including vitamins A, B6, B12, C, D and E; folic acid; calcium; selenium, omega-3 fatty acids; ginkgo biloba; glucosamine; saw palmetto; and milk thistle. All of the studies were randomised controlled trials and evaluated a range of health outcomes including risk of heart disease, cancer, diabetes, bone fractures, cognitive function and all-cause mortality. From the 63 studies, no benefit was seen in 45 studies with 10 of these showing a trend towards harm and just two showing a trend towards a benefit. Of the remaining studies, four showed harm with a greater risk of cancer with beta-carotene and a higher risk of fractures with a once-yearly dose of vitamin D. One study showed a lower risk of cancer with selenium supplementation, but this was not validated in much larger trials. Twelve studies showed a benefit and these mostly involved vitamin D... Question: Medical professionals probably believe that Options: A. not enough information B. Supplements are dangerous C. Supplements do not help D. Supplements should only be taken if needed === The correct answer is
**Answer**
D