Premise: The seven-block Promenade walkway (near Pine and Long Beach Boulevard and First and Third Streets) that leads from the business district to the marina is the heart of the city's revived downtown area, featuring new restaurants and jazz and comedy clubs.

Hypothesis: The Promenade hosts events every three weeks.
Answer: it is not possible to tell

Premise: In all those words about the three different votes, one word I didn't hear was the word 'mistake.

Hypothesis: "Mistake" was the one word I didn't hear concerning the different votes.
Answer: yes

Premise: This injection system is principally made from piping that may split off to manifolds for injecting in multiple locations.

Hypothesis: The injection system is made of piping and can break off in the cold.
Answer: it is not possible to tell

Premise: But he did disprove, for an unimportant but magnificent moment, W. H. Auden's dictum that poetry makes nothing happen.

Hypothesis: His attempt to contradict W.H. Auden ended in failure.
Answer: no