Premise:
"For a second or two Drew blinked the occupation fitted in too well with their worries of the night before."
Hypothesis: Drew was unable to blink due to an eye injury.

no

Premise:
"Not when the servant Dorcas repeated certain fragments of the conversation "fragments which you must have recognized?"
Hypothesis: Not when Dorcas repeated specific parts of the conversation.

yes

Premise:
"Though I did not acknowledge it to myself, the thought of Mary Cavendish was weighing on me. "
Hypothesis: The thought of Mary Cavendish made me feel wonderful.
no