{"1": ["shirley.crenshaw@enron.com", "iris.mack@enron.com", "anita.dupont@enron.com", "bjorn.hagelmann@enron.com", "vince.kaminski@enron.com"], "2": ["sherri.sera@enron.com", "vince.kaminski@enron.com", "richard.causey@enron.com"], "3": ["kenneth.deng@enron.com", "alex.huang@enron.com", "shirley.crenshaw@enron.com", "stinson.gibner@enron.com", "pinnamaneni.krishnarao@enron.com", "mark.tawney@enron.com", "rakesh.bharati@enron.com", "vince.kaminski@enron.com", "tanya.tamarchenko@enron.com", "nick.mooney@enron.com", "bambos@stanford.edu", "vasant.shanbhogue@enron.com"], "4": ["jennifer.burns@enron.com", "vince.kaminski@enron.com", "jeffrey.shankman@enron.com", "piazzet@wharton.upenn.edu"]}