Premise: Economic theory tells us that when everyone is polluting a communal stream, everyone can benefit from enforced moderation.

Hypothesis: They wanted everyone to be more thoughtful of their actions.
Answer: it is not possible to tell

Premise: However, the specific features and uses of IT differed significantly between and sometimes within the agencies.

Hypothesis: The specific uses and features of IT differed significantly between and sometimes within the agencies, however.
Answer: yes

Premise: Finally, the warring parties focused on New Orleans.

Hypothesis: They ignored New Orleans.
Answer: no

Premise: Ca'daan looked nervously at a body laying face up on one side of the path.

Hypothesis: He recognized the person.
Answer: it is not possible to tell