Both agreements technically match Airbnb -- an "All Listing Sites" and an "Only Airbnb". Since the priority for the All agreement (20) is higher than the Airbnb agreement (10), the All agreement is chosen. Either set the Air agreement with higher priority so it's chosen, or remove priority entirely in which case the more specific criteria (specific listing sites) will be chosen.
If you go to the booking Legal tab, you can see which one will be applied on the link by looking for the [default] label in the request dropdown:
