Premise:
"Here, too, are the leading jewelry and accessory stores."
Hypothesis: Tiffany is among the leading stores here.

it is not possible to tell

Premise:
"But Nixon read all the drafts."
Hypothesis: Nixon read every draft of his resignation speech.

it is not possible to tell

Premise:
"Yes, said Sir James, and stroked his chin reflectively."
Hypothesis: Sir Jones stroked his hair reflectively.
no