Premise:
"The mayor originally hoped groundbreaking would take place six months ago, but it hasn't happened yet."
Hypothesis: Groundbreaking was supposed to take place six months ago.

yes

Premise:
"fewer than half of those surveyed in early 2001 had tried to calculate how much they need to save."
Hypothesis: Most of those surveyed felt too intimidated by the math to consider calculating ideal savings.

it is not possible to tell

Premise:
"hum i wonder if these are going to be speaking the computers"
Hypothesis: I wonder if the the future will have the computers speaking for themselves.
it is not possible to tell