Anchor: Natural erections are elicited by the neural signaling of nitric acid, which in turn is triggered by some desire, or thought, or external stimuli.
Entailed: External stimuli triggers neural signaling of nitric acid, which causes natural erections.
Contradiction: Nitric acid is not involved in eliciting natural erections.
Contradiction: The long hair lady is running a con.
Contradiction: A woman wearing a dress walks in a crowd.
Contradiction: The girls are cheerleaders.
Contradiction: Other people argue that the news environment is the reason for it.