Q: The National Cherry Blossom Festival is a spring celebration in Washington, D.C., commemorating the March 27, 1912, gift of Japanese cherry trees from Mayor Yukio Ozaki of Tokyo City to the city of Washington, D.C. Mayor Ozaki donated the trees to enhance the growing friendship between the United States and Japan and also celebrate the continued close relationship between the two nations. Large and colorful helium balloons, floats, marching bands from across the country, music and showmanship are parts of the Festival's parade and other events.

Answer this question based on the passage: where did the cherry blossom trees in washington dc come from?
A: from Mayor Yukio Ozaki of Tokyo City. How to explain the answer? The relevant information is: The National Cherry Blossom Festival is a spring celebration in Washington, D.C., commemorating the March 27, 1912, gift of Japanese cherry trees from Mayor Yukio Ozaki of Tokyo City to the city of Washington, D.C.

Q: Context: Cortana is a personal virtual assistant that was added in Windows Phone 8.1, and is similar to Google Now and Apple's Siri. The Cortana name derives from the Halo video game series, which is a Microsoft franchise exclusive to Xbox and Windows. Cortana's features include being able to set reminders, recognize natural voice without the user having to input a predefined series of commands and answer questions using information from Bing (like current weather and traffic conditions, sports scores, and biographies).

Question: name of the windows phone 8.1 virtual assistant?
A: Cortana. How to explain the answer? The relevant information to answer the above question is: Cortana is a personal virtual assistant that was added in Windows Phone 8.1, and is similar to Google Now and Apple's Siri.

Q: Just as Danny's team start to lose hope, a bus arrives carrying NFL stars John Madden, Emmitt Smith, Bruce Smith, Tim Brown, and Steve Emtman. They teach and inspire the young players into believing they can win.

Based on this passage, who were the pro football players in little giants?
A: John Madden. How to explain the answer? The relevant sentence in the passage is: Just as Danny's team start to lose hope, a bus arrives carrying NFL stars John Madden, Emmitt Smith, Bruce Smith, Tim Brown, and Steve Emtman.

Q: For the majority of tests, blood is usually obtained from the patient's vein. Other specialized tests, such as the arterial blood gas test, require blood extracted from an artery. Blood gas analysis of arterial blood is primarily used to monitor carbon dioxide and oxygen levels related to pulmonary function, but is also used to measure blood pH and bicarbonate levels for certain metabolic conditions.

Based on this passage, medical term for a blood test to measure the levels of oxygen in the blood?
A:
Blood gas analysis. How to explain the answer? To answer this question, we should know that: Blood gas analysis of arterial blood is primarily used to monitor carbon dioxide and oxygen levels related to pulmonary function, but is also used to measure blood pH and bicarbonate levels for certain metabolic conditions.