I agree with Brian but also just have fun making suggestions. Two spots I’d consider chopping to at an angle and having a leader come from. I think the higher one might be better just to have a better set of branches below to build from. Personally, I think Gabler’s suggestion is a bit too high for my taste as trunk taper seems to end lower in the tree but I may just be having a different vision of the ending tree.
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Start by picking the front that shows the nicest root base and lower trunk. Can’t see that from the photos, but that’s always where to start.