Context:
Kohl participated in the late stage of WWII as a teenage soldier. He joined the Christian-Democratic Union (CDU) in 1947.
Hypothesis: Kohl joined WWII as a teenage soldier in 1943
It's impossible to say
Context:
How to protect yourself from common restaurant scams<br>Read the menu carefully. While not a scam in the strict sense, restaurant menus are sometimes designed to mislead customers who aren't paying close enough attention. This is especially prevalent in places with large, complex menus that offer lots of different options.
Hypothesis: Restaurant menus are always designed to mislead customers who aren't paying close enough attention.
No
Context:
And if Americans trust me with the presidency, I can pledge to you, we will have the most significant effort, openly -- not secret meetings in the White House with special interests, not ideologically driven efforts to push people aside -- but a genuine effort to try to restore America's hope and possibilities by bringing people together.
Hypothesis: The speaker is running for president for the first time.

It's impossible to say