Human: What are the different kinds of tea and how are they different? Assistant: 
The different kinds of tea are black tea, green tea, oolong tea, white tea, rooibos tea, chai tea, herbal teas, and tisanes. Black tea is made from leaves that have been oxidized before being dried. Green tea is made from unoxidized leaves. Oolong tea is partially oxidized. White tea is made from young, tender leaves. Rooibos tea is made from the leaves of Aspalathus linearis, a bush native to South Africa. Chai tea is spiced with cinnamon, ginger, cardamom, clove, and other spices. Herbal teas are blends of herbs, flowers, and/or roots. Tisanes are infusions of fresh or dried plants, flowers, or seeds.