The excerpt represents the core issue or deciding factor on which you must meditate, and is drawn from Under the Andes by Rex Stout:|
"Or five minutes," I returned. "We have no way of knowing.
But I'm afraid we're on the wrong trail."
Still as I had said, one chance was as good as another, and we
did not slacken our pace. The passage went straight forward,
without a bend. The roof was low, just allowing us to pass without
stooping, and the walls were rough and rugged.
It was not long before we found that we had taken the wrong
chance, having covered, I think, some two or three miles when a
wall loomed up directly in our path.
"At last, a turn!" panted Harry.