MY PATERNAL GRANDFATHER, A SCHOOL TEACHER told me and all his grandchildren the following story to teach us how to think logically:
" When I was a child there was an orphanage in my hometown. It stood on a hill. At the bottom of the hill ran a little stream and just beyond that were some train tracks. In front of the orphanage on the hill stood an iron dog. Every time the IRON DOG heard the train whistle he would run down to the river and get a drink. "
THIS IS A TRUE STORY.
WHY?