Premise: But, come to think of it, no one had mentioned his youthful marriage or the fact that he was a widower.

Hypothesis: He had had a youthful marriage and he was also a widower, but no one mentioned it.
Answer: yes

Premise: The Model of Acidification of Groundwater in Catchments (MAGIC) is used to examine changes in surface freshwater chemistry as indicated by changes in acid neutralizing capacity (ANC) in the waterbody.

Hypothesis: MAGIC is used to examine changes in surface freshwater chemistry which is indicated by changes in acid neutralizing capacity in the waterbody.
Answer: yes

Premise: i'm from New England Massachusetts

Hypothesis: I have lived in Massachusetts for three years.
Answer: it is not possible to tell

Premise: The result for pro bono clients traumatized by Sept. 11, said Chief Judge Kaye, was more efficient delivery of needed emotional, frightened clients had only one contact to make, no matter how many problems they had; the lawyers would sort out the mess.

Hypothesis: The lawyers took more than a year to sort out the mess.
Answer: it is not possible to tell