Premise: He suggested that National Alcohol Screening Day, an NIAAA-sponsored event, is an opportunity for EDs in many institutions to collaborate in evaluating the AUDIT screening instrument in the ED.

Hypothesis: He had nothing to say about the National Alcohol Screening Day.
Answer: no

Premise: I heard that as known fact.

Hypothesis: I guess it's an unknown fact.
Answer: no

Premise: i'm mostly into uh

Hypothesis: I'm not really into anything.
Answer: no

Premise: The Muslims continued the tradition of worship, substituting the green prophet Elijah for Pan; and the Crusaders built a town here, very little of which remains.

Hypothesis: The ruins of two buildings are all that's left of the Crusader town.
Answer: it is not possible to tell