Text: One popular theory compares Zionism's imperative to acquire land to the American idea of Manifest Destiny (that it was the United States' God-given right to rule from coast to coast).
Entailment: Zionism's imperative to acquire land to the American idea of Manifest Destiny is a popular theory.
Contradiction: Zionism's imperative to acquire land to the American idea of Manifest Destiny is unpopular.