What does the following Cypher query express?

OPTIONAL MATCH $($user;User$)-[$:FRIENDS$\_$WITH$]-($friend;User$)$

WHERE user.name $=$ "Bart Baesens"

RETURN user, count$($friend$)$ AS NumberOfFriends;

$1$ point

Get the node for Bart Baesens and all his friends

Get the node for Bart Baesens and a count of all his friends, even if no FRIENDS$\_$WITH relation exists

Get the node for Bart Baesens and a count of all his friends, but only if at least one FRIENDS$\_$WITH relation exists

This query will fail if Bart Baesens is FRIENDS$\_$WITH himself