Anchor: The altar where the blood will be spilled is out of sight, behind a wall where a loudspeaker screeches hymns to Kali.
Entailed: Blood is spilled on an altar where it can't be seen.
Contradiction: The blood is spilled in plain sight of everyone on an altar in the town square.
Contradiction: I like it because it makes me sleepy.
Contradiction: There is a man outside.
Contradiction: A woman rides a unicycle across a busy city street.
Contradiction: A group is gathered outside.