Anchor: and and the ones that test positive have to retest after a certain period of time
Entailed: Those that test positive have to retest after time. 
Contradiction: Those that test positive never have to retest. 
Contradiction: The bouquet is being tossed at people
Contradiction: He hated living in Washington.
Contradiction: Leon's green cheeks flushed. 
Contradiction: Dogs are on a trail in the woods while two people are looking at them from behind.