Anchor: Theorysia frowned, her brow puckering.
Entailed: Theorysia's brow puckered when she frowned.
Contradiction: Theorysia smiled widely, creating deep smile lines.
Contradiction: The boots fell to the ground, surrounded by nothing. 
Contradiction: Things that have been good for Argentina have generally been disastrous for Chile. 
Contradiction: A horse jumps a hurdle.
Contradiction: Overhead, the sky collapsed loudly, and another piece tore off.