One thing that makes me chuckle, is the idea that one has an instructor for philosophy!
lol
Surely, that is defeating the object of the excersise?

I suppose that we need a model to work with here.
So, the senario is this:

The one you love more than anything is standing underneath a big block of iron. The block of iron is big enough to squash that person and kill them out-right. However, that person is standing on a button that, if released, will instantly destroy the city in which you live, killing thousands of people.
Within the next 5 minutes, the block of iron will drop.
What do you do?