Text: But if he sinned against his daughter and her gender by giving his Wunderkind son-in-law the controlling interest in the Post (no man should have to work for his wife, the old man said), then Graham surely sinned against her eldest child, journalist Lally, for handing the keys to the Washington Post Co. to the younger Donald.
Entailment: He gave his son in law an interest in the newspaper.
Contradiction: He fired his son in law immediately.