Frank was attending college in San Francisco during the recent earthquake. He lived in the area that was hardest hit by the quake. Frank was not home when the earthquake hit and was not injured in any way, but when he returned home, he found his building demolished and his two roommates crushed to death. Frank immediately drove himself to the airport, bought a ticket to Boston, and got on the plane. His parents found him on their doorstep in Boston the next morning. Frank remembers nothing about the earthquake and nothing about going to college in San Francisco. The last thing he remembers is being a high school student and living with his parents in Boston. Frank has _______