Premise: Severn dug trenches and holes near the support.

Hypothesis: No trenches were dug at all.
Answer: no

Premise: I do, Dave Hanson.

Hypothesis: Dave Hanson said that he did.
Answer: yes

Premise: I'm working on my fourth language now, said Lopez, referring to his Russian classes at Woodburn High School.

Hypothesis: Lopez learned three languages to perfection before - English, Spanish and Korean.
Answer: it is not possible to tell

Premise: GAO' s Web site (www.gao.gov) contains abstracts and fulltext files of current reports and testimony and an expanding archive of older products.

Hypothesis: Current reports are available as fulltext files with abstracts through the website.
Answer: yes