Sort the following molecules according to increasing bond angles about the central atom:
H$_3$O$^+$, BF$_3$, OF$_2$, BrF$_5$.
BF$_3$, H$_3$O$^+$, BrF$_5$, OF$_2$
BF$_3$, H$_3$O$^+$, OF$_2$, BrF$_5$
OF$_2$, BrF$_5$, BF$_3$, H$_3$O$^+$
OF$_2$, H$_3$O$^+$, BF$_3$, BrF$_5$
BrF$_5$, OF$_2$, H$_3$O$^+$, BF$_3$