It would seem only the arrogant, or possibly ignorant amongst us would suggest out of the potential of hundreds of billions of planets, we are somehow the only planet to have life.
Until you ponder the improbability of even us being here.
Only TWO possibilities??
You left out BELIEVERS.
In the Man who, about 2000 years ago, did such amazing miracles in the presense of many witnesses that an entire World was turned upside down by His teachings.
Made the audacious claim that HE created all the stuff we see around us.
HE must have been NUTS!!; right?