Girls, a girl wanted distance and no contact whatsoever. We randomly met and she said hi, did she say hi just to be friendly?

This girl I talked to suddenly wanted distance and no contact at all, we randomly met a couple of months after this and she said hi when I passed her. (With respect to her wish I had no intention of talking to her)

Did she do it just to be friendly, or could she be open to some form of contact? Or could it be any other reason? I know this is probably subjective from girl to girl

Girls, a girl wanted distance and no contact whatsoever. We randomly met and she said hi, did she say hi just to be friendly?
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