Premise: Scarcely a hundred Sumatran Rhino remain; the best place to see them is at the Sepilok sanctuary, where controlled breeding may combat the ravages of poaching.

Hypothesis: The only animals at the Sepilok sanctuary are Sumatran Rhinos.
Answer: it is not possible to tell

Premise: We are replacing the older test site with two dynamic database-driven Web sites ...

Hypothesis: It will take 3 hours to replace the older test sites.
Answer: it is not possible to tell

Premise: Yes, said Poirot thoughtfully, "it was only natural." He opened a drawer, and took out a small despatch-case, then turned to me.

Hypothesis: He turned to me after he took out a small despatched-case from the drawer.
Answer: yes

Premise: and Margaret Thatcher was embarrassed that Janet would think that she was going to ask her how she was going to vote and it was so funny and her husband kept looking at her and said i can't believe you could be so dumb

Hypothesis: Margaret Thatcher showed no concern.
Answer: no