Anya:	D'ya think a lot ah mental health problems are related ta diet?
Brice:	Well, the whole notion of single-factor causality is flawed. In the social sciences, there are usually multiple factors behind most behaviours.
Anya:	(impatiently) Ah, spare me any pseudo-erudition!
Devani:	(calmly) Okay, please consider a simpler question . . . Why are so few educated people willing to give simple "yes/no" replies?
Brice	Okay, you want simple answers. Yes – I do believe there is a correlation between diet and metal health. No – I don't think diet is the main cause of mental illness. Correlation should be confused with casuality.