Premise:
"Instead, on May 16, the Vice Presidentas Counsel sent GAO a letter questioning the appropriateness of GAOas review, expressing reluctance to supply the information requested and asking for a statement of GAOas legal authority to conduct the review."
Hypothesis: The Vice President's Counsel received a prompt reply from GAO.

it is not possible to tell

Premise:
"The Imperial Palace (Kyoto Gosho) and the Katsura and Shugakuin imperial villas are mandatory destinations for anyone with even a shred of interest in Japanese architecture, design, and aesthetics."
Hypothesis: The Imperial Palace and the Katsura and Shugakuin imperial villas can all be visited in the same day.

it is not possible to tell

Premise:
"The last inmate to stand up wins."
Hypothesis: THe final convict to get to their feet is the victor.
yes