Accept it as reality. Keep my eyes open for other data that would support or reject my conclusion and adapt and change accordingly. Tell it to others. Be a little humbled that other intelligence exist. Support studies and science that seeks to understand more about how such an intelligence could do such a thing - maybe we can too, then.
The questions are getting a little off-topic. Thanks for the discussion.
I'm a little confused by "accepting it as reality", while continuing to look for evidence that it might not be reality.