Premise: If you plan to use a copper item for boiling water or cooking, make sure that it is tinned on the inside, as unlined copper can be slightly toxic.

Hypothesis: Unlined copper items don't really pose a risk and the toxicity is quite overrated.
Answer: no

Premise: Johnny warn't more'n four o' thereabouts when Don Cazar went back to Texas an' got him.

Hypothesis: When Don Cazar got Johnny, he was about six years old.
Answer: no

Premise: How do you advertise?

Hypothesis: How do you do ads?
Answer: yes

Premise: IRS established a program similar to GSA's in 2000 at the request of the National Treasury Employees Union.

Hypothesis: The IRS ignored the requests of the National Treasure Employees Union.
Answer: no