response: I do!  It dates way back to pre-literate cultures, in the form of ancester worship or animism.
original_response: Do you think it was someone who actually once lived, from the afterlife?  A manifestation?
history: hey do you think ghosts exists? Hmm I don't have that information here right now.  They've been described as being translucent or even invisible, as I understand. Yes.  But I think I've heard of other sorts of descriptions, too. Hmm yes.  The've also been described as wispy shapes or realistic and lifelike! Cool!  I wonder how long people have believed in ghosts, do you know?
knowledge: The belief in the existence of an afterlife, as well as manifestations of the spirits of the dead is widespread, dating back to animism or ancestor worship in pre-literate cultures.