Premise:
"To take one obscure but critical Life on Earth remained entirely one-celled for 3 billion years."
Hypothesis: Single-celled organisms ruled the earth for only a billion years before more complex life-forms came along.

no

Premise:
"The man fell forward and Thorn cut downward hard, through the assassin's shoulder and deep into his chest."
Hypothesis: Thorn cut the man's shoulder.

yes

Premise:
"As a member of the New York Civil Liberties Union, she sat on the board of directors and discussed issues before the union, such as the proposed Nazi march in Skokie, Ill., in the late 1970s."
Hypothesis: The New York Liberties Union did not allow her to sit on the board of directors.
no