With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Jeff Bezos's Blue Origin has trial flights to space.
text_B: Jeff Bezos -LRB- -LSB- ˈbeɪzoʊs -RSB- born Jeffrey Preston Jorgensen ; January 12 , 1964 -RRB- is an American technology and retail entrepreneur , investor , and philanthropist who is best known as the founder , chairman , and chief executive officer of Amazon.com , which is the world 's largest online shopping retailer .. Amazon.com. Amazon.com. The company began as an Internet merchant of books and expanded to a wide variety of products and services , most recently video streaming and audio streaming .. Internet. Internet. video streaming. Streaming media. Amazon.com is currently the world 's largest Internet sales company on the World Wide Web , as well as being the world 's largest provider of cloud infrastructure services , through its Amazon Web Services arm .. Amazon.com. Amazon.com. Internet. Internet. World Wide Web. World Wide Web. cloud infrastructure. cloud infrastructure. Amazon Web Services. Amazon Web Services. Bezos 's other diversified business interests include aerospace and newspapers .. aerospace. aerospace. newspapers. newspapers. He is the founder and manufacturer of Blue Origin -LRB- founded in 2000 -RRB- with test flights to space which started in 2015 , and plans for commercial suborbital human spaceflight beginning in 2018 .. Blue Origin. Blue Origin. test flights. flight test. suborbital. suborbital spaceflight. human spaceflight. human spaceflight. In 2013 , Bezos purchased The Washington Post newspaper .. The Washington Post. The Washington Post. A number of other business investments are managed through Bezos Expeditions .. Bezos Expeditions. Jeff Bezos#Bezos Expeditions. With an estimated net worth of US$ 82 billion as of May 2017 , Bezos is currently the third-richest person in the world , just behind Bill Gates and Amancio Ortega in first and second places , and just ahead of Warren Buffett in fourth place .. third-richest person in the world. The World's Billionaires. Bill Gates. Bill Gates. Amancio Ortega. Amancio Ortega. Warren Buffett. Warren Buffett. His rise to this position occurred after Amazon registered a 67 % jump in share price .
related.