Anchor: A crowd forms on a busy street to watch a street performer.
Entailed: A crowd forms on a busy street to watch a street performer as cars go by.
Contradiction: A crowd gathers to watch an air show at an airfield.
Contradiction: Two people are napping on the sun porch
Contradiction: Mr. Hersheimmer was asked to get Sir James and come at once. 
Contradiction: A man is sitting in a crane eating his lunch.
Contradiction: Museums often take a controversial part in the art world.