Premise:
"Glass-shuttered rooms with verandas offering views of the sea, located a short way out of the center of Ocho Rios."
Hypothesis: The rooms have glass shuttered.

yes

Premise:
"Nor am I claiming that Reagan single-handedly produced the result."
Hypothesis: The result was not as satisfactory as I've expected.

it is not possible to tell

Premise:
"For a second, I genuinely thought that I was right and he was wrong."
Hypothesis: For a second I thought I was completely wrong.
no