Answer the following question: You are presented with the quiz "Which is not a cell?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "viruses are not cells at all, so they are neither prokaryotes nor eukaryotes" and "influenza viruses are classified as orthomyxoviruses". So, what's the best answer to the question?

Choose from:
(I) cigarettes
(II) Chlorophyll
(III) Leptospirosis
(IV) layers of fat
(V) an object
(VI) anemia
(VII) all matter
(VIII) influenza
Answer:
(VIII)