A$)$ Consider a smart city project that gathers data from various IoT devices such as sensors$,$ cameras, and meters distributed across the city. The first objective of the company is to implement a solution that allows efficient storage and retrieval of large files from non$-$relational databases like maps, GPS location data. The second objective of the company is to store structured relational data related to city infrastructure, such as urban planning documents, administrative records, and historical data. Explain for these two objectives, which of the Amazon services like "Amazon DynamoDB" or $"$RDS$"$ would be beneficial. Also write two differences between "DynamoDB" and "Amazon RDS$"$ storage services.