"Oh, Ulna, that is awful!"
"Bad," was the laconic reply.
"What are we to do?"
"I cannot tell."
"We can't go back the way we came?"
"No," said Ulna, and he emphasized this opinion by a vigorous shake of the head.
"We can't get out by climbing up the walls?"
"I wish we could," said Ulna.
"Then," continued Sam, "there are only two courses open to us."
"Only two."