Premise: There are no guarantees on the Internet . Telephone service is a You can be almost certain that you can complete a call immediately to anyone else with a phone.

Hypothesis: The phone call is completed through wireless data.
Answer: it is not possible to tell

Premise: In addition, emissions inventories prepared for the Heavy-Duty Diesel Engine rulemaking were the basis for future year emissions projections.

Hypothesis: There is no projection of future emissions.
Answer: no

Premise: 'I thought I heard a gunshot.'

Hypothesis: I thought I heard a shooting.
Answer: yes

Premise: oh that's how they do it

Hypothesis: I know how they do it.
Answer: it is not possible to tell