What is the true origin of Ferrari's famous Prancing Horse logo?

Ferrari's iconic Prancing Horse (Cavallino Rampante) emblem is one of the most recognizable logos in transportation history. But while many know the symbol, fewer know the fascinating story behind how this legendary Italian automaker adopted its famous mascot. Test your knowledge of automotive brand history with this challenging question about the origins of Ferrari's emblematic Prancing Horse.

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It was the family crest of Enzo Ferrari, passed down through generations of the Ferrari family
It was painted on the airplane of WWI flying ace Francesco Baracca, and given to Enzo Ferrari by Baracca's mother for good luck
It was inspired by the ancient Roman statues of horses that Enzo Ferrari saw during a trip to Rome in 1925
It was designed by Ferrari's first major sponsor, Shell Oil, to represent power and speed in their joint marketing campaigns