Premise:
"But a very good imitation, I must admit." Dave turned from Ser Perth toward Nema, but her head was bent over the cords she was weaving, and she avoided his eyes."
Hypothesis: The imitation is a bad one.

no

Premise:
"Tommy was left to his meditations."
Hypothesis: The man liked to have some silence at the end of the busy day.

it is not possible to tell

Premise:
"In the war. "
Hypothesis: In the battle.
yes