<human>: Does the sentence "During the revival, in 1809 linguist and historian Josef Dobrovský released a German-language grammar of Old Czech entitled Ausführliches Lehrgebäude der böhmischen Sprache (Comprehensive Doctrine of the Bohemian Language)." answer the question "What was the professions of Joseph Dobrovský?"

OPTIONS:
- yes
- no
<bot>: yes