Premise: If you have only a single 19-inch television and you can't afford to upgrade, just sit a lot closer.

Hypothesis: You have a 19-inch Samsung LCD TV, if you can't afford a new one, sit closer to it while you save money.
Answer: it is not possible to tell

Premise: i have two

Hypothesis: I have one.
Answer: no

Premise: He suggested a number of factors that might influence spontaneous remission such as an injury, type and severity of injury, degree of alcohol dependence, readiness to change, and marital or employment status.

Hypothesis: Injury isn't a factor that has any influence on spontaneous remission.
Answer: no

Premise: rooting for Duke University rooting for Duke University

Hypothesis: We wanted Duke to win.
Answer: yes