Which statement best describes what happens when a user assigns a task to another

"Which statement best describes what happens when a user assigns a task to another user?
It is sent via email and must be accepted by the recipient.
It is sent as a calendar message and automatically gets added to an active calendar.
It is sent as a meeting invite and automatically gets added to the To-Do list.
It is sent as an appointment alert and must be accepted by the person who assigned the task.