That would require a step 3 where they get in a time machine:
> But while many hear an eerie resemblance between “Sky” and Johansson’s “Her” character, an actress was hired to create the Sky voice months before Altman contacted Johansson, according to documents, recordings, casting directors and the actress’s agent.
> But while many hear an eerie resemblance between “Sky” and Johansson’s “Her” character, an actress was hired to create the Sky voice months before Altman contacted Johansson, according to documents, recordings, casting directors and the actress’s agent.