Which of the following is a nested function?

Question $2$ options:

$=$IF$($AND$($B$7>5),$"Yes","No$")$

$=$VLOOKUP$($B$8,$A$10$:B$20,2)$

$=$SUM$($B$6$:B$10)$

$=$HLOOKUP$($B$8,$A$10$:B$20,2)$