I had a similar bet awhile back, this might help. We called it a draw cause we didn' specify if we were talking about the botanical or culinary term.
Wiki Fruit
Many foods are botanically fruit but are treated as vegetables in cooking. These include cucurbits (e.g., squash, pumpkin, and cucumber), tomato, peas, beans, corn, eggplant, and sweet pepper, spices, such as allspice and chillies.[2]
Guess this [censored] was covered in detail before I clicked post YAY