Assertion: ninja | /r/CapableOf | fade into obscurity
Facets:
Source sentences:
text: Following the unification of Japan under the Tokugawa shogunate in the 17th century, the ninja faded into obscurity.
text: Following the unification of Japan under the Tokugawa shogunate, the ninja faded into obscurity, being replaced by the Oniwabanshū body of secret agents.