Which of the following problems would best be solved using the supervised learning category of...

Determining the optimal age for a chicken's egg-laying production using input data of the chicken's age and average daily egg production for one million chickens

Recognizing a knife in carry-on luggage at a security checkpoint in an airport scanner

Determining if an animal is a pig or a cow based on image recognition

Predicting shopper purchasing behavior based on the category of shopper and the positioning of promotional displays within a store