Which Google Analytics feature relies on machine learning and Google AI for measuring conversions that can’t be spotted through direct observation?

Which Google Analytics feature relies on machine learning and Google AI for measuring conversions that can’t be spotted through direct observation?

 

• The Key event modeling feature
• The Conversion events feature
• The Attribution paths feature
• The Conversion window feature

or

• The Conversion events feature
• The Conversion window feature
• The Key event modelling feature
• The Attribution paths feature