1. Today, some telephone calls to businesses are handled by automated answering systems that use speech and voice recognition to converse with the caller. Do these systems pass the Turing test? Explain your answer.
2. Identify a small set of geometric properties that can be used to distinguish between the symbols F, E, L, and T.
3. Describe the similarities between the technique of identifying characteristics by comparing them to templates and the error-correcting codes discusse.