Anchor: The syndrome may even be several illnesses, they say, but the common thread is exposure to toxins in the Gulf.
Entailed: The illnesses are caused from exposure to toxins in the Gulf. 
Contradiction: The doctors can't find any common threads that explain the sudden outbreak of illnesses in the area. 
Contradiction: A woman in a black shirt and jeans is purchasing food from a counter.
Contradiction: Two girls are on a bike.
Contradiction: I had decided that I would clear John Cavendish.
Contradiction: The question is if his dead is sufficient.