At a minimum, which combination of salesforce automation tools will be required to meet these requirement?

Universal containers is using a web-to-lead from to collect contact information on people interested in its product and wants to ensure that these leads are contacted in a timely manner.

The following actions are required:

send the lead an email with appropriate product information, depending on which product was selected on the web-to-lead form

Assign the appropriate salesperson to be the lead owner, depending on the product selected

create a task for the salesperson to follow up with the lead.

At a minimum, which combination of salesforce automation tools will be required to meet these requirement?
A . lead assignment rule and publisher action.
B . Lead assignment rule, auto response rule and workflow rules
C . Lead assignment rule and auto response rule.
D . Lead assignment rule and workflow rule