Anchor: If American troops, on their arrival in Somalia--their moment of greatest strength--had arrested warlords and destroyed their heaviest weapons, the United States might not have been drawn into bigger factional problems later on.
Entailed: American troops landed in Somalia.
Contradiction: America never sent any troops to Somalia.
Contradiction: Two people are pushing wheelchairs in a race.
Contradiction: Two dogs frolic together in the snow
Contradiction: A boy is doing tricks on his bike.
Contradiction: Jon stood there, waiting.