<human>: Is "Proto-Slavic, the supposed ancestor language of all Slavic languages, is a descendant of common Proto-Indo-European, via a Balto-Slavic stage in which it developed numerous lexical and morphophonological isoglosses with the Baltic languages." a good answer to the question "Proto-Slavic is a descendant of what?"
OPTIONS:
- yes
- no
<bot>: yes