Question: Is it impossible to tell if someone is having a stroke?, Answer:No, Description of Stroke: Medical condition where poor blood flow to the brain causes cell death, Fact1: Strokes have numerous physical symptoms including facial unevenness and trouble walking., Fact2: Strokes have behavioral symptoms including slurred speech, disorientation, and trouble understanding speech.
Step1: What are the symptoms of a stroke?, Step2: Are all of #1 hidden from physical observation?, Wikipedia page for step 1: Stroke, Wikipedia page for step 2: , not_definitive_answer: False, incorrect_answer: False