Anchor: Admission or observation is not necessary after a negative abdominal computed tomographic scan in patients with suspected blunt abbdominal  results of a prospective, multi-institutional trial.
Entailed: It's not required to be admitted after a negative abdominal computed tomographic scan.
Contradiction: It's always required to be admitted after a negative abdominal computed tomographic scan.
Contradiction: A man plays a guitar in a park with dogs around him.
Contradiction: A middle aged oriental woman in a green headscarf and blue shirt is flashing a giant smile
Contradiction: The tomb has no carvings on it.
Contradiction: We have no time to have regret.