This happened here in Houston today. I'm worried that with three sitting under a tree may have been a referee crew. Serves as a sobering reminder: think about the shelter you choose when under threat of lightning. http://www.khou.com/news/local/HCSO...tning-strike-at-soccer-complex-162520946.html
Another news report said the men may have been waiting for the next game to start. http://abclocal.go.com/ktrk/story?section=news/local&id=8736365
The Darwinian method of teaching it apparently takes more than a few generations to take effect. So the "I tell you and you listen" method is preferred, but it suffers from lack of compliance by the students.