Premise:
"Versailles was truly the shining star of Europe by its architectural splendor, and most of all by the sheer hypnotic power of Louis XIV's cult of self-glorification."
Hypothesis: Versailles was known as the shining star, but was really over-hyped.

it is not possible to tell

Premise:
"That's what they've done."
Hypothesis: They've done that.

yes

Premise:
"This interactive approach can reach widely dispersed audiences less expensively than traditional methods."
Hypothesis: The interactive approach is cheaper than the traditional methods.
yes