Premise: The policies include increased research and development funding, equipment standards, financial incentives, voluntary programs, and other regulatory initiatives.

Hypothesis: The increased equipment standards really improved things.
Answer: it is not possible to tell

Premise: In addition to the quantified and monetized benefits summarized above, there are a number of additional categories are not currently amenable to quantification or valuation.

Hypothesis: It's hard to quantify the value of lives saved by this project.
Answer: it is not possible to tell

Premise: Personal Communication with Bob Thomas, Norit Americas, September 6, 2001.

Hypothesis: They never corresponded with Bob Thomas.
Answer: no

Premise: The Exxon threat proved hollow.

Hypothesis: The Exxon threat was hollow but it all worked out in the end.
Answer: it is not possible to tell