I understand this whole concept, but throughout these past few lessons I am curious... are they simply asking us to use our common sense? What if I know nothing about other oil spills in the rest of the world? What if I don't know about the effects that oil spills can have or how can they be carried? Am I just supposed to do my best and make something up that could very well never happen? I know this test is intuitive, but taking this approach seems like it can be a slippery slope.

Because some could possibly still mean most or all.