One other factor is that our brains _are_ able to do it. I guess we merge the sentence with our context and gradually realize the meaning, while rejecting the m

One other factor is that our brains _are_ able to do it. I guess we merge the sentence with our context and gradually realize the meaning, while rejecting the more bizarre parses without thinking twice about them. On the other hand, it is quite possible to stump humans with out-of-context questions and statements. In these moments we realize how much we rely on context.