Use These Sets to Find the Following , And $\mathrm { R } = \{ 5,6,7,8 \}$

Multiple Choice

Use these sets to find the following. Identify any disjoint sets.
-Let $\mathrm { U } = \{ 5,6,7,8,9,10,11,12,13,14,15 \} , \mathrm { M } = \{ 5,7,9,11 \} , \mathrm { N } = \{ 6,8,10,12,14 \} , \mathrm { Q } = \{ 5,7,9,11,13,15 \}$ , and $\mathrm { R } = \{ 5,6,7,8 \}$ .
$M \cap R$

A) $\{ 5,6,7,8 \}$
B) $\{ 5,7 \}$
C) $\{ 5,6,7,8,9,11 \}$
D) $\varnothing , M$ and $R$ are disjoint sets.