A cat is an animal, not a plant. Humans are also animals, under the scientific definition, as we are not plants.

They were convinced that the error-checking and antibugging that I was suggesting would far exceed the capacity of their machine.

A KJV-onlyer believes that the King James Version of the Bible is superior to all other versions.

A feature of a situation may be influencing us although we do not realize it. From the agent's point of view the motivational power and direction of a consideration may not even be recognized. We often do not know why certain choices are just not on, and others so strangely attractive.