database0 = [("Lana Turner", "Buster Keaton", 80000, "Virginia Dare"), ("Ted Hughes", "Edna Millay", 70000, "Virginia Dare"), ("Virginia Dare", "Laurence Sterne", 100000, "Edna Millay"), ("Buster Keaton", "Lana Turner", 80000, "Ingrid Joyce"), ("James Joyce", "Ingrid Joyce", 60000, "Root"), ("Vanessa Redgrave", "Michael Redgrave", 110000, "James Joyce"), ("Michael Redgrave", "Vanessa Redgrave", 40000, "Vanessa Redgrave"), ("Edna Millay", "Ted Hughes", 70000, "Root"), ("Laurence Sterne", "Virginia Dare", 60000, "James Joyce"), ("Ingrid Joyce", "James Joyce", 60000, "Virginia Dare")]

database1 = []

database2 = [("Carol", "Eric", 200000, "Bob"), ("Fran", "Dan", 200000, "Eric"), ("Bob", "Alex", 100000, "Alex"), ("Dan", "Fran", 150000, "Carol"), ("Alex", "Bob", 100000, "Root"), ("Eric", "Carol", 300000, "Dan")]

database3 = [("Carol", "Eric", 200000, "Root"), ("Fran", "Dan", 200000, "Root"), ("Bob", "Alex", 100000, "Alex"), ("Dan", "Fran", 150000, "Root"), ("Alex", "Bob", 100000, "Root"), ("Eric", "Carol", 300000, "Root")]