Anchor: A piece surveys new school safety precautions, including mass-shooting drills, locker searches, and security cameras.
Entailed: Mass-shooting drills and locker searches are just part of new school safety precautions. 
Contradiction: The new school safety precautions include drills and searches but, no security cameras. 
Contradiction: Some people sitting down eating lunch.
Contradiction: He was holding his breath.
Contradiction: The girls are sitting in class
Contradiction: There is a man outside the door.