What is the relationship between 'MSCI World' and 'MSCI' in the context of the input sentence.
Options: position held, operator, headquarters location, developer

Ticker Fund Assets ($ mil) 1 Expense ratio (%) 10-year cost 2 VEA Vanguard FTSE Developed Markets 28,466 0.09 57 VXUS Vanguard Total International Stock 4,837 0.14 99 SCHF Schwab International Equity 4,243 0.08 106 VEU Vanguard FTSE All-World ex-US 14,442 0.14 119 IEFA iShares Core MSCI EAFE 6,285 0.12 168 IXUS iShares Core MSCI Total Intl Stk 1,669 0.14 213 VT Vanguard Total World Stock 4,653 0.17 223 CWI SPDR MSCI ACWI ex-US 900 0.3 409 WDIV SPDR S&P Global Dividend 70 0.4 409 URTH iShares MSCI World 219 0.24 446 GWL SPDR S&P World ex-US 783 0.34 446 ACWX iShares MSCI ACWI ex-US 1,990 0.33 511 EFA iShares MSCI EAFE 60,388 0.33 513 ACWI iShares MSCI ACWI 6,404 0.33 518 IEIL iShares Enhanced International Large-Cap 82 0.35 535 DBEF Deutsche X-trackers MSCI EAFE Hedged Eq 12,921 0.35 567 HEFA iShares Currency Hedged MSCI EAFE 2,846 0.39 630 IOO iShares Global 100 1,748 0.4 666 1: July 28, 2015.
operator