Premise:
"Bridges link the Right (north) and Left Banks via the two islands in the middle, Ile de la Cite and Ile St-Louis."
Hypothesis: There is no connection between the Right and Left Banks.

no

Premise:
"The Di news continues as both mags chronicle the life and final drunken hours of Di driver Henri Paul."
Hypothesis: Henri Paul really like driving around Di.

it is not possible to tell

Premise:
"After a few months, trouble begins to brew--invariably with her supervisor."
Hypothesis: No trouble was brewing with her supervisor.
no