Premise: You can short-circuit the biology of erection, but that doesn't fix the nonbiological problems that exacerbate and sometimes even trigger impotence.

Hypothesis: The main causes of impotence are not biological.
OPTIONS:
- yes
- it is not possible to tell
- no
Answer: it is not possible to tell

Premise: It might have been, sir.

Hypothesis: Maybe so, sir.
OPTIONS:
- yes
- it is not possible to tell
- no
Answer: yes

Premise: GAO's activities are designed to ensure the executive branch's accountability to the Congress under the Constitution and the federal government's accountability to the American people.

Hypothesis: GAO is designed to ensure how eficient the branch is.
OPTIONS:
- yes
- it is not possible to tell
- no
Answer: no

Premise: The great navigator's remains were returned to Portugal in 1538 but his tombstone can still be seen on the south side of the church, set in the floor with a brass rail.

Hypothesis: The grave no longer houses the navigator's remains, but his tombstone still stands.
OPTIONS:
- yes
- it is not possible to tell
- no
Answer: yes