Querying on Relationship Attributes by selecting the specific Relationship Type you would like to see, while also selecting the side of the relationship when the Criteria Match is set to At Least One Criteria, will show results of any account with that Relationship Type as well as any account that has that side of a relationship.
Contact Support and provide the article ID in reference to your issue.
Steps to Duplicate
Select a category that you want to store this query in
Select New Query under the tasks menu
Name the query
Set the Starting criteria to Base/All Constituents
Set the Data Return Type to Accounts
Under Criteria Matching select Match At Least One Criteria
Select Account from the Available Fields drop down menu and click on Relationship Attributes