A couple are speaking at an event on 09-09-2007 .
It is impossible that two people together are speaking loudly at the event on 09-09-2007
It is impossible that two people together are speaking loudly at the event on 09-09-2007
We believe that two people together are speaking loudly at the event on 09-09-2007
Two people together are speaking loudly at the event on 09-09-2007