The conversation between human and AI assistant.
[|Human|] Given this paragraph, what key crops were not available in Europe before the colonization of the New World?
[|AI|] Potatoes, tomatoes, corn, beans, squash, chili, cacao, and vanilla were not available in the Old World prior to the European discovery of the Americas
[|Human|] 
Given this paragraph, what key crops were not available in Europe before the colonization of the New World?