All material bodies are divisible into parts, and everything divisible is imperfect. It follows that all material bodies are imperfect. It likewise follows that the spirit is not a material body. The final conclusion above follows logically if which one of the following is assumed? ['The spirit is either indivisible or imperfect.', 'The spirit is divisible.', 'Nothing imperfect is indivisible.', 'The spirit is perfect.']