Sunrise 7:10: Quick exit?

It was light enough - and dry enough - that the female Dawn Jogger made it around the water-filled but still not full Lake Lagunita this morning. Rivlets of water were still coming into the lake from higher ground, and there was the usual morning displays of duck landings and squawking. On the pretty bench along the one side of the levee, it appeared someone had made a hasty exit, leaving behind drink, wallet and mobile phone. How long will they sit there unclaimed...