Complex sentence: Sadako was at home when the explosion occurred, about one mile from Ground Zero, she was blown out of the window and her mother ran out to find a child, she suspected she may be dead but she found her two year old daughter alive.
Split into simpler sentences: Sadako was at home when the explosion occurred, about one mile from Ground Zero. She was blown out of the window and her mother ran out to find her, suspecting she may be dead, but she found her two year old daughter alive.