She runs up to them on the beach one morning and says, "" Mom, Dad, we've got to get off the beach. "" And they say, "" What do you mean? We just got here. "" And she said, "" In Mr. Kearney's geography class last month, he told us that when the tide goes out abruptly out to sea and you see the waves churning way out there, that's the sign of a tsunami, and you need to clear the beach. "" What would you do if your 10-year-old daughter came up to you with this?