 "Anse,"he asked, "why would anyone hide a trunk in a cave?""Might depend on what was in it,"the Texan replied promptly.
The Texan answered since he knew the secret of the cave.
mnli hypothesis: The Texan answered since he knew the secret of the cave. premise:  "Anse,"he asked, "why would anyone hide a trunk in a cave?""Might depend on what was in it,"the Texan replied promptly.