I should mention that in reality things are, of course, more subtle, and this two-category quantization is not realistic. In the real situation you'll not only

I should mention that in reality things are, of course, more subtle, and this two-category quantization is not realistic. In the real situation you'll not only want to identify the BS-status of the interviewer, but give them just the right amount of BS. Don't be too honest, you have to sell yourself after all. Frankly, it's tricky, especially for people who aren't used to talking about themselves.