The organizers of the fundraiser were chatting at registration .
The organizers of the fundraiser were chatting at registration about the weather .
The organizers of the fundraiser were chatting at registration.
The organizers of the fundraiser were chatting at registration about the weather.
the organizers are chatting, but it's unclear if they are talking about the weather.
the organizers are chatting , but it 's unclear if they are talking about the weather .