Counting points of specific type within polygon using ArcGIS ModelBuilder?

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I'm analyzing wind farms and wind turbines within ArcGIS Desktop 10.2.

My data consists of the locations of individual wind turbines that are associated with a wind farm (let's call it "Wind Farm A").

From creating 5-km buffers around each wind farm, I know that in certain cases wind turbines from a neighboring farm (let's call it "Wind Farm B") are part of the buffer of Wind Farm A.

• How can I use ModelBuilder to count the number of turbines within a buffer zone that are part of Wind Farm B and not part of Wind Farm A?

Using the Select Features tool, I can count the turbines by hand, but this is slow. I also know that I can use the Near tool or a Spatial Join to count all the points in a polygon, but how do I then select only those that are not part of Wind Farm A?

I'm attaching a screenshot that illustrates my challenge visually.

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