8:02 PM
$\require{enclose} \overset{\Huge\enclose{box}{\dot{}}\Huge\enclose{circle}{\dot{}}}{\overline{ \cup}}$
$\require{enclose} \overset{\large\underline{ \cap}}{\Huge\enclose{circle}{\dot{}}\Huge\enclose{circle}{\dot{}}}$
$\require{enclose} \overset{\large\underline{ \cap}}{\Huge\enclose{circle}{\dot{}}\Huge\enclose{box}{\dot{}}}$