Classify the series according to the OTT platform they are on.
The Witcher, Jack Ryan, The Rings of Power, Sweet Tooth
Netflix - The Witcher, Sweet Tooth
Amazon Prime - Jack Ryan, The Rings of Power
Instruction: Classify the series according to the OTT platform they are on.
The Witcher, Jack Ryan, The Rings of Power, Sweet Tooth
Context: 
Response: Netflix - The Witcher, Sweet Tooth
Amazon Prime - Jack Ryan, The Rings of Power