Epistemological revelations

I sat for correction of the Metaphysics, Epistemology and Modern Western Philosophy class test papers today and as usual there were the 'amusers'. However, this time round there were less in number. The best of them all was the following from the Epistemology paper concerning knowing:

Hypothalamus is a part of a right-angled triangle.

A couple of others who had no clue as to what that word was wrote, what I last took in class:

Hypothalamus is a part of hermeneutics.