Premise:
"The preamble to the interim rules contains a further discussion of additional analyses considered and performed by the Departments, including an analysis prepared by Coopers and Lybrand."
Hypothesis: It takes about 3 months of discussion and analyses before rules could be set up.

it is not possible to tell

Premise:
"Yes, the American people have a right to be skeptical."
Hypothesis: They wanted the Americans to think for themselves.

it is not possible to tell

Premise:
"The Palacio de Cristal (Crystal Palace), a 19th-century iron and glass solarium that houses temporary art exhibitions, has finally reopened after years of renovations."
Hypothesis: The Palacio de Cristal had to be demolished recently.
no