Text: so it's a problem that's been around for over forty years and we're just really uh uh now trying to uh figure out how to cope with the problem because it has grown so huge
Entailment: The problem has been around for a very long time and it's one that we're just beginning to try and figure out.
Contradiction: It's a problem that dates back only a couple of years and it doesn't pose much of a threat.