Early in the morning, Otis and Ruby were wandering through the forest, their keen senses always on high alert. Suddenly, Ruby caught a whiff of something dangerous in the air.
"Otis, I smell something dangerous," she said nervously. "It's on the underground."
Otis, being the more rational of the two, took a moment to think before responding. "Hmm, I also feel it," he said, "but how can we access the underground? We can't just dig the entire forest, right?"
