Premise:
"Reputedly the oldest pub in Dublin is the Brazen Head (Bridge Street Lower)."
Hypothesis: There are many pubs in Dublin, but this one is the most popular.

it is not possible to tell

Premise:
"right more peaceful my uh one set of friends have four cats and let's see these four cats two of them are sort of strays i guess"
Hypothesis: One of my friends has four cats.

yes

Premise:
"In America a new organization was formed, the Irish Republican Brotherhood, known as the Fenians."
Hypothesis: The Irish Republican Brotherhood was formed in Ireland.
no