Insert $\subseteq$ Or $\nsubseteq$ In the Blank to Make the Statement True $\{ 1,3,6,8 \}$

Multiple Choice

Insert $\subseteq$ or $\nsubseteq$ in the blank to make the statement true.
- $\{ 1,3,6,8 \}$ _____ $\{ 1,1,3,4,5,6 \}$

A) $\subseteq$
B) $\nsubseteq$