Exam Certified OmniStudio Consultant topic 1 question 38 discussion

A company wants to create a new digital interaction process that allows customers to request a quote for service from a local retail energy supplier.
The process requires the following actions:
Allow the user to select one or more energy products from a list
Get current energy usage data from an external system via an API
Save the data back to Salesforce as a lead
Which three OmniScript elements should the consultant recommend to meet these requirements? (Choose three.)