Text: At the beginning of the 18th century, Poland entered a prolonged period of decline, marked by financial ruin, a debilitated military, and a series of ineffectual kings.
Entailment: Poland entered a prolonged period of decline at the beginning of the 18th century, marked by financial ruin, a debilitated military, and a series of ineffectual kings.
Contradiction: Financial ruin never managed to plague Poland.