Premise: The IRS spokesman quoted by the AP story simply misstated the law.

Hypothesis: Everything the IRS spokesman said was completely accurate.
Answer: no

Premise: Later in the evening, he had sought admission to her room, on which occasion, no doubt, he found an opportunity of destroying the will which, as far as he knew, would render the one in his favour valid.

Hypothesis: He knew that the odds would be in his favor after destroying the will.
Answer: yes

Premise: Every year it attracts drivers and spectators from around the world.

Hypothesis: It attracts drivers from all over the world because the course is so intense.
Answer: it is not possible to tell

Premise: Because, so long as the evidence against him was vague and intangible, it was very hard to disprove.

Hypothesis: Finding the truth is a long and arduous journey.
Answer: it is not possible to tell