The bank system is a software application designed to manage various banking operations and services. It allows customers to perform transactions such as deposits, withdrawals, fund transfers, and account inquiries. Bank employees can also access the system to assist customers, manage accounts, and generate reports. The following is a simple bank system description $($requirement specifications$)$Customer Transaction: handles various customer transactions such as deposits, withdrawals, fund transfers, and inquiries. It validates customer requests, updates account balances, and generates transaction records.Deposit Funds: Customers can deposit money into their accounts.Withdraw Funds: Customers can withdraw money from their accounts.Transfer Funds: Customers can transfer funds between their own accounts or to other accounts.Check Balance: Customers can check the balance of their accounts.View Transaction History: Customers can view the transaction history of their accounts.Employee Assistance: This process involves bank employees assisting customers with their inquiries, transaction disputes, account management, and other banking services. It requires access to customer data and account information.Assist Customer: Employees can assist customers with various banking services, such as account inquiries and transaction disputes.Generate Reports: Employees can generate reports for account activities, transactions, and other financial data.Note that information related to customer accounts is stored in a database. This database contains information about customer accounts, including account numbers, account holders' details $($ID and name$),$ balances, transaction history, and account statuses.Based on the above specifications, choose $4$ out of $5$ diagrams and draw them. Each diagram worth $5$ points $($extra credit if you draw them all$)$Use case diagramData flow diagram $($context$,$ and system$)$Class diagramActivity diagramSequence diagram