# Comprehensive and Detailed Explanation: The correct approach is one Parent Business Unit (corporate) with one Child Business Unit per franchise owner. This setup allows:
* Corporate to control global assets, subscriber management, and brand compliance.
* Franchise owners to localize messages within their own Business Unit, without accessing or changing corporate-controlled assets.
# Why Other Options Are Incorrect:
* A: "Franchise owners" (plural) need individualized control; a single child BU won't be sufficient.
* C: One Business Unit won't provide separation between different franchise operations.
* D: Having a separate parent BU for each franchise is excessive, costly, and not scalable.
Exact Extract: Salesforce Help: Business Unit Overview
"Use Business Units to manage assets, permissions, and subscribers separately while maintaining corporate brand control across an enterprise."

Comprehensive and Detailed Explanation:
The correct answer is A - Data Filters.
* Data Filters provide a drag-and-drop, no-code way to segment audiences based on profile attributes or behavior.
* They allow marketing users without SQL or AMPscript knowledge to build audiences directly in Email Studio.
# Why others are wrong:
* B: Attribute Groups are used for mapping relationships between data, not for audience segmentation.
* C: Publication Lists manage opt-in/out preferences, not audience segmentation.
* D: Query Activities require SQL coding, which the team lacks experience with.
Exact Extract from Salesforce Official Documentation:
Salesforce Help - Data Filters Overview:
"Data Filters allow users to segment data extensions based on attribute values and behavior using a simple drag-and-drop interface, without the need for coding." (Source: https://help.salesforce.com/s/articleView?id=sf.mc_es_data_filters.htm)
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Comprehensive and Detailed Explanation:
The correct answers are A and C.
* A - If responses are not received within the configured Conversation Window (e.g., 30 mins, 1 hour), MobileConnect treats them as unrelated and sends the default response.
* C - If a Next Keyword is not specified on the outbound message, MobileConnect has no instruction for how to handle a reply, so it falls back to the default keyword response.
# Why others are wrong:
* B: The Conversation Window is based on minutes/hours, not 24 hours.
* D: If a response contains "stop," it triggers an opt-out process, not a fallback default keyword response.
Exact Extract from Salesforce Official Documentation:
Salesforce Help - MobileConnect Conversation Window and Next Keyword Setup:
"Ensure that outbound messages include a configured Next Keyword to direct subscriber responses.
Responses received outside the Conversation Window are treated as unrelated and routed to the default keyword response." (Source: https://help.salesforce.com/s/articleView?id=sf.mc_ms_conversation_window.htm)
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