Anchor: Jacob wailed.
Entailed: Jacob cried uncontrollably.
Contradiction: Joseph laughed happily.
Contradiction: A dog playing in the summer
Contradiction: There is a choice in where to install an SCR reactor.
Contradiction: This conclusion finally ends the inquiry, because the question was simply whether an alien must be physically present in the United States, and it has been resolved.
Contradiction: A boy looks at people.