Anchor: But the demand for whale oil would decline steeply after 1859, with the discovery of oil in Pennsylvania and the start of the American Civil War in 1860.
Entailed: The discovery of oil in Pennsylvania created a decline in whale oil.
Contradiction: Whale oil continued to rise after the end of the American Civil War.
Contradiction: A woman is dancing with her child.
Contradiction: Some humans enjoying themselves.
Contradiction: A couple is playing pool.
Contradiction: A man outdoors parasailing