Human: How can I identify which types of fruits contain the most Vitamin C? Assistant: 
The best way to identify which types of fruits contain the most Vitamin C is to compare the amount of Vitamin C in each type of fruit. You can usually find this information on the nutrition label, or online by looking up the nutritional value of fruits. Some of the fruits with the highest Vitamin C content include oranges, grapefruits, kiwis, papayas, and strawberries.