Context:
Lost<br>One day I was innocently eating my food in McDonald's. When I arrived home I had to book my trip out of the country. I was leaving the next day, and as I was booking I realized something. I had left my backpack with my passport and money in McDonald's. I scurried over and thanks to God my backpack had been stored.
Hypothesis: travel is not fun
It's impossible to say
Context:
Mastermind or Master Mind is a code-breaking game for two players. The modern game with pegs was invented in 1970 by Mordecai Meirowitz, an Israeli postmaster and telecommunications expert. It resembles an earlier pencil and paper game called Bulls and Cows that may date back a century or more.
Hypothesis: Mastermind was invented recently 
No
Context:
Winning Team John C. Harsanyi, John F. Nash and Reinhard Selten were jointly awarded the Nobel Prize in Economics. The three professors were singled out for their unique contributions to game theory, derived from studies of games such as poker or chess, in which players have to think ahead and devise a strategy based on expected countermoves from opponents.
Hypothesis: Three people as a team won the Nobel prize in economics 

Yes