b) False
A gym should not use a name like "Zumba-like" for a fitness class without the appropriate permissions or licensing from the creators or owners of the Zumba brand. "Zumba" is a trademarked brand and a specific dance fitness program. Using a name that suggests a class is similar to Zumba without proper authorization could potentially lead to legal issues related to trademark infringement. It's important for businesses to respect intellectual property rights and trademarks.