Anchor: Over the years, as new social or economic problems emerged, Congress assigned many agencies new and unanticipated program responsibilities.
Entailed: Many agencies were assigned new program responsibilities by Congress.
Contradiction: Social or economic problems have never existed and cause zero problems.
Contradiction: No, I hated this conversation we had.
Contradiction: Everyone objects when the governor comes up with a plan to cut the money. 
Contradiction: The man is swimming unaided.
Contradiction: Two women sitting next to a wall that has paint on it.