Anchor: According to a law of physics called Boyle's law, the pressure times the volume of a gas is always a constant--increasing pressure makes volume decrease, and vice versa.
Entailed: Boyle's law demonstrates how the pressure is indirectly proportional to volume.
Contradiction: Boyle's law demonstrates how the pressure is directly proportional to volume.
Contradiction: Two girls are doing bike tricks
Contradiction: A man attempts to hit a tennis ball
Contradiction: Short term budget outlook. 
Contradiction: Olek sold the whole company.