instruction:
Given a question and a context passage, generate the answer having the word or phrase from the context passage. Here, the answer should be a shortest continous span from the passage.
question:
Context: Inventors are always looking for ways to make our lives easier, greener and a whole lot more fun. Take a look at the following breakthroughs in science and technology. What in the world will inventors dream up next? Superhero Suit Have you ever dreamed of becoming a superhero? Dream no more. There's a real Iron Man suit, XOS 2, which instantly transforms the person wearing it. The suit provides the power to lift 200 pounds with ease and break slabs of wood with a single karate chop. It was designed to help the military with heavy lifting. One person in the suit could do the work of three soldiers. Up, Up and Away! It took him 30 years to develop it, and now Glen Martin's invention is ready to take off. The Martin Jetpack allows its operator to fly 8,000 feet into the air. Unfortunately, you can't soar through the skies too long. The jetpack holds only 30 minutes' worth of fuel. The aircraft will sell for $100,000. Hardworking Robot The EMIEW2 robot is the perfect office helper. Need a document delivered? No problem! It can also guide visitors to their destinations. The three-foot-tall robot can identify different human voices and respond to commands. One day, it may serve as a receptionist or a security guard. Green Machine Say goodbye to gasoline! The AirPod car runs on air power. That means this car won't pollute the environment. A high-pressure air tank can fill the car in minutes. The three-wheeler can travel about 130 miles between fill-ups. Beef Power All aboard the beef train! Amtrak's Heartland Flyer runs partly on fuel that is made from cow fat. The goal is to reduce carbon emissions by 10%. The train travels between Oklahoma City, Oklahoma, and Fort Worth, Texas. Robo-Guard EMILY is a robotic, four-foot-long buoy . She can swim through riptides at up to 24 miles per hour. Her inventor, Tony Mulligan, says that's 15 times as fast as human lifeguards! EMILY is powered by a tiny electric pump and operated by remote control. 
 Question: How many environment-friendly inventions are mentioned in the passage?
answer:
three.


question:
Context: The aim of this study was to elucidate the role of lysyl oxidase (LOX) and lysyl oxidase like (LOXL) 2 in pathologic wound healing after glaucoma surgery. We therefore investigated the expression of LOX and LOXL2 and evaluated the therapeutic potential of anti-LOX (GS-639556, formerly M64) and anti-LOXL2 (GS-607601, formerly AB0023) antibodies in a rabbit model of glaucoma trabeculectomy. Ocular expression of LOX and LOXL2 was investigated by immunohistologic staining at different time points after trabeculectomy. Treatment with GS-639556 or GS-607601 was initiated in rabbits immediately after trabeculectomy by giving both intracameral and subconjunctival injections. Thereafter, the antibodies were given twice a week subconjunctivally until day 30 after surgery (day of euthanization). Treatment outcome was studied by clinical investigation of the bleb and by immunohistochemical analysis of angiogenesis, inflammation, and collagen deposition. LOX and LOXL2 were both upregulated in Tenon's capsule and the conjunctiva after glaucoma surgery. Repeated administration of LOX- or LOXL2-targeting monoclonal antibodies increased bleb area and bleb survival. Analyses of immunohistologic stainings showed that both antibodies significantly decreased fibrosis, whereas the anti-LOXL2 antibody also significantly reduced blood vessel density and inflammation. Targeting LOXL2 with an inhibitory monoclonal antibody (GS-607601) reduced pathologic angiogenesis, inflammation, and fibrosis. These results suggest that LOXL2 could be an appealing target for treatment of scar formation after glaucoma surgery, and point to the potential therapeutic benefits of simtuzumab, a humanized monoclonal antibody derived from GS-607601. 
 Question: What is the drug target for Simtuzumab?
answer:
loxl2


question:
Context: Simon Miller (Loren Dean) outwardly appears to be a geologist who must frequently take business trips, which has strained the relationship with his family, including his wife Meredith (Robyn Lively) and teenage children Sarah (Skyler Day) and Kevin (Drew Koles). When Simon suddenly goes missing, his family searches his office and discovers several passports, each with different aliases. They soon learn that Simon was in fact a spy who kept his true career secret from them. Simon mysteriously calls home and warns his family not to tell anyone about his disappearances, then abruptly hangs up. His family begins a search for Simon, which takes them to locations around the world. Sarah, an honor student, uses her foreign language skills to help, and Kevin uses his knowledge of technology.[1] They receive assistance from Amanda (Christine Baranski), another covert operative who initially appears to be a friend, but appears to have her own motives.[2] 
 Question: What is Simon Miller's job?
answer:

geologist