evidence

No.14005057 ViewReplyOriginalReport
recently I had an argument with someone about what the definition of evidence was, and we came to a standstill on the following:
>hearing a loud bang is evidence that a gun was shot nearby, AND it is evidence that a firework was set off nearby, AND ...
>hearing a loud bang is evidence that a gun was shot nearby, OR it is evidence that a firework was set off nearby, OR ...
which is the correct interpretation?