主催しゅさい
shusai

Noun
Suru Verb

1. sponsorship (i.e. conducting under one's auspices); promotion; organizing; organising; hosting; staging

Transitive
今日きょうのパーティーはだれ主催しゅさいなの?
kyōno pātiiwa darega shusainano
Who was in charge of today's party?