Among the following,which is the most recent?

Which of the following is most closely related to man?

About $P$ million years ago,human-like primates walked in eastern Africa. They were probably not taller than $Q$ feet.
$Q$ is:

Match the following columns:

Column-$I$	Column-$II$
$P$. Homo habilis	$I$. $900 \, cc$
$Q$. Homo erectus	$II$. $1400 \, cc$
$R$. Neanderthal man	$III$. $650-800 \, cc$

Identify $P$ and $Q$ in the given figure.

Where did $Homo$ $sapiens$ evolve?