Which funds can replace RMGXX?

Which mutual funds can replace RMGXX?

Which mutual funds can replace RMGXX? ranked by return similarity
RankTickerFundReturn similarity
1SEGXXUBS Select Government Institutional Fund99.2%
2STPXXUBS Select Treasury Preferred Fund99.1%
3UPRXXUBS Prime Reserves Fund99.0%
4SOPXXUBS Select 100% US Treasury Preferred Fund Class T98.7%
5SIOXXUBS Select 100% US Treasury Institutional Fund - Institutional Shares98.7%
6UPPXXUBS Prime Preferred Fund98.7%
7SETXXUBS Select Treasury Institutional Fund94.3%