How to send different auto-responder email alert based on the user's choice?

Also, depending on the users choice on page 2 of the form the recipient email could be different. Do we just set up a condition that is dependent on the answer to the field

'Candidate information' 

When setting up the change email recipient condition what should be entered into the email field? At the moment it prepopulates with {typeA} 

https://form.jotformeu.com/83512322414345

You can add condition in your form to check user's answer and then send the auto-responder to desired email address or email field. The following guide should help you how to send email based on condition:  https://www.jotform.com/help/167-How-to-Send-Email-Based-on-User-s-Answer

When setting up the change email recipient condition what should be entered into the email field? 

You need to find the field id of your email field that you can use it in your condition with braces. Please check the screenshot below: