Assertion: pit viper | /r/HasProperty | cottonmouth
Facets:
Source sentences:
text: First, pit vipers are the most common type of venomous snakes in Texas and include the copperhead, cottonmouth and rattlesnake.
text: Pit vipers include rattlesnakes, copperhead and cottonmouths (also known as water moccasins).
text: There are two primary groups of venomous snake in the U.S.: pit vipers (Crotalinae), which include rattlesnakes, copperheads, and cottonmouths