Premise:
"For example, users may accidentally disclose sensitive information to a large audience through electronic mail or introduce damaging viruses that are subsequently transmitted to the organizations entire network of computers."
Hypothesis: Users might introduce viruses or disclose sensitive information.

yes

Premise:
"Let's start with a history lesson."
Hypothesis: Let's end with a history lesson

no

Premise:
"Field Settings."
Hypothesis: These settings are for the field.
yes