Context:
George Palmer Putnam (September 7, 1887 January 4, 1950) was an American publisher, author and explorer. Known for his marriage to (and being the widower of) Amelia Earhart, he had also achieved fame as one of the most successful promoters in the United States during the 1930s.
Hypothesis: George Palmer Putnam flew with his wife across the world
It's impossible to say
Context:
Shirley's World is a television series aired first by American Broadcasting Company during the U.S. 1971-72 television season. The sitcom was co-produced by the British ITC Entertainment and American producer Sheldon Leonard; it starred Shirley MacLaine as a photojournalist and John Gregson as her editor at "World Illustrated" magazine.
Hypothesis: Shirley's World is about a journalist and her editor
Yes
Context:
Many science fiction works have been set in the 21st century (years 2001 to 2100). With humanity now in the 21st century, many of the predictions of these works have so far been proven obsolete. This page lists only "predictions" regarding the 21st century, as opposed to contemporary accounts of the actual 21st century, which would be too numerous to list.
Hypothesis: People can safely use jetpacks as a mode of travel in the 21st century.
It's impossible to say