Premise:
"Then, by Heaven, snarled the Russian, "we will see " But Mrs. Vandemeyer also rose to her feet, her eyes flashing."
Hypothesis: Mrs. Vandemeyer's eyes were flashing when she rose to her feet.

yes

Premise:
"On the lake's west shore, the people of Sal?? (where Gaspare Bertolotti is regarded as the originator of the violin) suggest that his design was inspired by the contours of the lake."
Hypothesis: Gaspare Bertolotti, who created the violin, designed it to resemble a lake.

yes

Premise:
"Don't be superstitious--hypnotism is silly."
Hypothesis: Hypnotism is superstitious.
it is not possible to tell