$(2$ pts$)$ Read the following scenario. Then create an ER diagram using Crow's Foot notation that identifies entities, attributes $\{$be sure to denote the identifier $\}$ and relationships including optionality and cardinality.

A large organization has several parking lots, which are used by staff. Each parking lot has a unique name, location, capacity, and number of floors $($where appropriate$).$ Each parking lot has parking spaces, which are uniquely identified using a space number. Each staff member has a unique staff number, name, telephone number, and vehicle license number.

A staff member can request the sole use of a single parking space in anyone of the parking lots.