"Where are you going?"
"Northwest."
"What are you going to do there?"
There ensued a slight pause before the stranger's reply. "Walk through the woods," said he.
"In other words, it's none of my business," retorted Barbara, a little tartly.
"Ah, but you see it's not entirely mine," he explained.
This offered a new field.
"Then you are on a mission?"
"Yes."
"Is it important?"