Assertion: karaoke | /r/AtLocation | japan
Facets:
Source sentences:
text: Karaoke originated in Japan in the 1970's.
text: Karaoke originated in Japan and then went on to become really popular in other Asian countries.
text: Karaoke originated in Japan in the 1970s but started off as a bit of a niche activity, or one which was not taken seriously by the general populace.