Does the sentence "The Tangut Empire was especially efficient in such efforts; exploiting the then newly invented block printing, and with the full support of the government (contemporary sources describe the Emperor and his mother personally contributing to the translation effort, alongside sages of various nationalities), the Tanguts took mere decades to translate volumes that had taken the Chinese centuries to render.[citation needed]" answer the question "How long did the translation effort take?"

Possible answers:
[a]. yes;
[b]. no;
[b].