"We stared into one another's eyes. The area of the crater had become enormously vast to our imaginations, the growing thickets already impenetrably dense."

"Good heavens! What fools we have been!"

"It's evident that we must find it again," said Cavor, "and that soon. The sun grows stronger. We should be fainting with the heat already if it wasn't so dry. And … I'm hungry."

Which type of conflict may be inferred from the selection above?

Man vs. man
Man vs. nature
Man vs. society
Man vs. self