Question $3($Marks: $45)$ Assume that the following business rules are in place: $$ One passenger can request the location of one and only one amenity at a time. $$ It is possible for a passenger to have multiple flights departing from the same airport and, as such, can view multiple flight bookings. $$ One passenger can experience multiple medical emergencies and, as such, can request medical assistance multiple times. Q$\mathrm{.}3\mathrm{.}1$ Create an Entity Relationship Diagram that will represent the business rules presented at the beginning of the question. Include at least three attributes for every entity. Also, indicate the primary keys for each entity. $(23)$ Q$\mathrm{.}3\mathrm{.}2$ Select one functionality offered by the Airport Customer Relationship Management System. Then, propose interfaces for the use of that functionality. Any software can be used to create the interfaces. Include screenshots of the interfaces in your design. Once you have designed the interfaces, discuss how you addressed the following concepts in your designs: $$ Usability $$ Visibility $$ Affordance