Text: you know we didn't know about fluoride i was raised in a small rural town in Oklahoma you only went to the dentist when your tooth actually began to hurt you know there was no such thing as preventive dentistry back then
Entailment: When I was young taking care of your teeth wasn't such a big deal.
Contradiction: In the town where I grew up, we had to get checked by the dentist every couple of months even if our teeth felt fine.