Anchor: ozone and fine particles) can travel long distances before being deposited.
Entailed: It's common for ozone to travel a long way before settling. 
Contradiction: Ozone and fine particles are deposited after traveling only short distances. 
Contradiction: That took forever to get done.
Contradiction: A boy runs on the pavement.
Contradiction: There is a teenager in a crib.
Contradiction: There are at least two ways in which privatization is a shell game.