class Student $\{$

var name: String

var enrollment: Enrollment?

init$($name: String$)\{$

self. name $=$ name

$\}$

deinit $\{$

print$("($name$)$ is graduating and is being deinitialized"$)$

$\}$

$\}$

class Enrollment $\{$

var enrollmentNumber: Int

weak var student: Student?

init$($enrollmentNumber: Int$)\{$

$\}$

self.enrollmentNumber $=$ enrollmentNumber

deinit $\{$

print$("$Enrollment #$($enrollmentNumber$)$ is being closed and is being deinitialized"$)$

$\}$

$\}$

var john: Student?

var enrollment$2023$: Enrollment?

john $=$ Student $($name: "John"$)$

enrollment$2023=$ Enrollment $($enrollmentNumber: $2023)$

john? $.$enrollment $=$ enrollment$2023$

enrollment$2023?.$student $=$ john

john $=$ nil

enrollment$2023=$nil

What is the output of this code?

Pick ONE option

John is being deinitialized

Enrollment #$2023$ is being deinitialized

John is being deinitialized

Enrollment #$2023$ is being deinitialized

Enrollment #$2023$ is being deinitialized