FARMINGVILLE, N.Y. -- Stranded for hours on a snow-covered road, Priscilla Arena prayed, took out a sheet of loose-leaf paper and wrote what she thought might be her last words to her husband and children.She told her 9 1/2-year-old daughter, Sophia, she was "picture-perfect beautiful." And she advised her 5 1/2-year-old son, John: "Remember all the things that mommy taught you.