Generate an explanation for the given claim using the provided supporting material from the paragraph. Please consider the following points while generating an output. 1) The claim will always have supporting proof in the paragraph, and the paragraph will have a clear point of view supporting the claim. 2) There can be instances where direct correlation to the claim is not available. Make use of the sentences in the paragraph to provide a corresponding output supporting the claim. 3) The explanation should be at least one and at most twelve sentences long.

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Paragraph: Under the current system, people on a work, study or family visa only pay a 400 surcharge to use the NHS. This is the current level the international health surcharge is set at each year, but the taxes that people who come to work in the UK pay also goes towards things like the NHS. Under the current system, people on a work, study or family visa incur average NHS costs of 625 per year. It's unclear how the Conservatives have calculated this new figure and we've asked them for more information. Claim 1 of 3 Claim: Under the current system, people on a work, study or family visa only pay a 400 surcharge to use the NHS.

Ex Output:
This is the current level the international health surcharge is set at each year, but the taxes that people who come to work in the UK pay also goes towards things like the NHS.

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Paragraph: Fitness experts say users of the fitness machine, which is a favorite among Army Rangers, Navy Seals, and "The Biggest Loser" television series, reap total body, calorie-busting rewards. "It's a great and tough cardio piece," said Neal Pire, an exercise physiologist with the American College of Sports Medicine. "Picture a step mill that combines the lower and upper body, and you have Jacobs Ladder. Except instead of steps, you have rungs." Because the user climbs with arms as well as legs more muscles are working and more calories are burned. "As a rule the more muscle mass you utilize during any activity, the greater the oxygen consumed, which is directly correlated to the calories you consumed," said Pire, president of Inspire Training Systems, in New Jersey. "Unlike stair climbers, you can't hold on to the sides." Jacobs Ladder was invented by Steve Nichols, a fitness champion who injured his knees and back, according to Bob Palka, president of Jacobs Ladder, LLC. "He wanted to come up with a good workout that didn't impact back and knees." said Palka, who bought the patent and assets from Nichols in 1994. "Effectively it's just climbing a ladder," Palka said. People using the machine are placed at a 40-degree angle to put the spine in a more neutral position, relieve the back of stress and engage core muscles. Palka said on Jacobs Ladder the person's body weight is lifted over a 12-inch (30.5-centemeter) step for fuller range of motion than the eight-inches of a step mill. "You control the speed," he said." The faster you go the faster the runners (on the ladder) come." Palka said about 50 to 60 percent of his Jacobs Ladders go to health clubs; some 10 to 15 percent go to the military and physical therapy facilities, respectively. Jacobs Ladder landed a recurring role on the TV show "The Biggest Loser" after trainer Jillian Michaels fell in love with it. "It tends to get your heart rate up," said Palka, adding that other users, such as the FBI and the Army Rangers, are drawn to the intensity of the workout. John Trail, general manager of a Fitness First health club in Arlington, Virginia, uses Jacobs Ladder in functional circuit and interval training. "You can go for time or you can go for feet," said Trail. "It's not a fast-moving piece, but the fact that you're using every muscle group means you can do 100 feet, rest, jump off, do 10 kettlebell swings, 10 short interval sprints, and burn a lot more calories than you would on an elliptical." Trail said a rock climbing buddy likes to climb Jacobs Ladder wearing a back pack for an endurance workout. A self-described competitive person, Trail has even raced with it. "We have two machines side-by-side, so we'll go for 1,000 feet as fast as possible," he said. "In under 10 minutes you can get a really good workout." He also uses it on clients with joint issues to get their heart rates up quickly. But despite its virtues, Pire said it's unlikely Jacobs Ladder will supplant the treadmill anytime soon. "The tougher the machine, the more seldom you see it," he said. "I haven't seen many seniors hop on. The older population is concerned about balance and falling. And there's some skill involved in climbing a ladder. But fans are ardent. "Those who use it are almost religious," he said. Claim: Jacobs Ladder climbers reap tough fitness rewards.

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Jacobs Ladder, a moving, angled, climbing machine, may be named after the Biblical stairway to heaven, but it packs such a challenging workout people have dubbed it the stairway to hell.

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Paragraph: He Jiankui, associate professor at Southern University of Science and Technology in Shenzhen, attracted condemnation from the global scientific community when he said he had used a technology known as CRISPR-Cas9 to alter the embryonic genes of twin girls born in November. Chinese authorities launched an investigation into He's work and said they had halted the kind of research he was undertaking. Under the draft laws sent to China's legislature for review on Saturday, medical and human trials would face closer scrutiny and stricter requirements, such as ensuring human subjects are properly briefed, state media outlet Xinhua reported. The rules would also require all future trials to be approved by administrative authorities as well as ethical committees, it said. The report did not specify a timeline for the approval of the regulations, or make specific mention of He's research. In videos posted online and at the November 2018 conference where He made his controversial presentation, He said he believed his gene editing would help protect the girls from infection with HIV, the virus that causes AIDS. Chinese authorities and institutions, as well as hundreds of international scientists, condemned him and said any application of gene editing on human embryos for reproductive purposes was against the law and medical ethics of China. Claim: Most Texans aren't millionaires.

Ex Output:
China's top legislature will consider tougher rules on research involving human genes and embryos, the first such move since a Chinese scientist sparked controversy last year by announcing he had made the world's first "gene-edited" babies.