0 in a way that is not expected:
Their campaign was unexpectedly successful.
Unexpectedly, nobody complained.
Not unexpectedly, they tended to report that the correction of linguistic slips is done mainly as they write.
This accessory atrioventricular connection extending across the atrioventricular node was found in an infant dying suddenly and unexpectedly.
Voicing assimilation unexpectedly fails to apply in the context /t+d/, and epenthesis unexpectedly goes out of its way to apply in exactly this context.
There's something quietly satisfying about rescuing fine articles from obscurity and running together quite different arguments unexpectedly.