Premise:
"There are now several lodges at Royal Bardia National Park on the Karnali River."
Hypothesis: The Karnali River was damned in the early 1800s and is no longer part of the Bardia National Park.

no

Premise:
"There he would stand, his back turned to us like the contemplative artist figure in a painting by Caspar David Friedrich, and reflect on the glory and folly of mankind."
Hypothesis: He turned his back to ignore the person.

it is not possible to tell

Premise:
"For a moment he hesitated, and as he did so the door opened."
Hypothesis: He wasn't prepared to talk to anyone who walked in through the door.
it is not possible to tell