Assertion: samurai's lord | /r/AtLocation | the castle of the shogun
Facets:
Source sentences:
text: The lord of Ako, Asano Naganori (1665-1701 CE) was at the castle of the shogun in Edo one day when he was insulted by the shogun's (not so diplomatic) chief of protocol, Kira Yoshinaka (1641-1701 CE).