Tokyo Gov Yuriko Koike announced Friday that a task force she set up in the metropolitan government has been unable to determine exactly who made the decision to build the new site for the capital’s Tsukiji fish market partly without a sufficient soil embankment to protect it from toxic contaminants.
S Tokyo Gov Yuriko Koike
S a task force→どんなshe set up
V [has been unable to determine （exactly）]
O who →どんな
a task force→どんな
V set up
どこにin the metropolitan government
O the decision
V to build
O new site→どんなfor the capital’s Tsukiji fish market partly
補足 without a sufficient soil embankment →どんな
V to protect
補足 from toxic contaminants.