BFS Andy Zoe 10 Andy Bill 4 Andy Claire 3 Andy Daniel 2 Bill Elaine 3 Bill Zoe 1 Claire Elaine 4 Claire Zoe 2 Daniel Elaine 2 Daniel Zoe 2 Elaine Zoe 2 5 Andy 1 Bill 1 Claire 1 Daniel 1 Elaine 1 Zoe 1