Anchor: He had to improvise, but he got through a rough version of it, until he came to the end: "I who created you name you--" What the deuce did he name it?
Entailed: Though he had to make up some parts, he reached the end of a tentative version of it. 
Contradiction: He'd memorized all the necessary words, so he didn't have to make anything up.
Contradiction: A young man is on Mars.
Contradiction: People out at night.
Contradiction: the dogs are asleep
Contradiction: It depends on such questions as how tough economic sanctions have to be before even the Syrias of the world fall into line, and how effectively the industrialized nations can monitor the average rogue state.