| {"id": "qa_004", "context": "The Great Wall of China is over 21,000 kilometers long. It was built over many centuries.", "question": "How long is the Great Wall of China?", "answer": "over 21,000 kilometers"} | |
| {"id": "qa_007", "context": "Mount Everest is 8,849 meters tall. It is located on the border of Nepal and Tibet.", "question": "How tall is Mount Everest?", "answer": "8,849 meters"} | |
| {"id": "qa_008", "context": "The Amazon rainforest covers about 5.5 million square kilometers. It produces 20% of the world's oxygen.", "question": "How much of the world's oxygen does the Amazon produce?", "answer": "20%"} | |
| {"id": "qa_005", "context": "SpaceX was founded by Elon Musk in 2002. The company is headquartered in Hawthorne, California.", "question": "Where is SpaceX headquartered?", "answer": "Hawthorne, California"} | |
| {"id": "qa_006", "context": "The human brain contains approximately 86 billion neurons. It weighs about 1.4 kilograms.", "question": "How many neurons are in the human brain?", "answer": "approximately 86 billion"} | |
| {"id": "qa_002", "context": "Bitcoin was created by Satoshi Nakamoto in 2009. It is a decentralized digital currency.", "question": "Who created Bitcoin?", "answer": "Satoshi Nakamoto"} | |
| {"id": "qa_001", "context": "The Eiffel Tower is located in Paris, France. It was constructed in 1889 and stands 330 meters tall.", "question": "Where is the Eiffel Tower located?", "answer": "Paris, France"} | |