The drop-down shown here is a filter in a sync rule. It contains a long list of properties through which you can scope your sync to sync just a subset of data. What kind of properties will make up this list?

Only the default HubSpot properties for contacts — custom properties can be found elsewhere
HubSpot properties for contacts, along with data linked to Service Hub tickets
All default and custom HubSpot properties for contacts and companies.

The correct answer is:

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