Final answer:
A consultant should recommend using AMPscript conditional statements against the Gender field within a sendable data extension to display men's or women's shoes in emails based on the recipient's gender (A). This will ensure that each email contains the appropriate content and is personalized for the recipient.
Step-by-step explanation:
To ensure that content is displayed properly within the email according to the recipient's gender, which is specified in a field within the sendable data extension, a consultant should recommend using AMPscript conditional statements against the Gender field. This method allows for customized content display within emails based on subscriber attributes, such as the Gender field in this case.
Using AMPscript, you would write a script that checks the value of the Gender field for each recipient and then dynamically inserts the appropriate content for men's or women's shoes depending on that value. The AMPscript would be placed in the email template and would execute when the email is rendered, ensuring that each recipient sees the content that matches their gender.
Other methods mentioned, such as AMPscript lookupRows functions, the A/B Test content type, and the Dynamic Content Wizard, are not as directly suited for this task as simply using the AMPscript conditional statements, which provide a straightforward and efficient way to achieve the desired personalized content display.