Task: Question Answering
Input (English): Background Paragraph: The example of someone having a positive experience with a drug is easy to see how drug dependence and the law of effect works. The tolerance for a drug goes up as one continues to use it after having a positive experience with a certain amount the first time.[38] It will take more and more to get that same feeling. This is when the controlled substance in an experiment would have to be modified and the experiment would really begin. The law of work for psychologist B. F. Skinner almost half a century later on the principles of operant conditioning, "a learning process by which the effect, or consequence, of a response influences the future rate of production of that response.[39]. 
Story: The Super Scoops met to discuss their experiences. They all said they always had a great experience using scoop and used the same amount each time. They told how many times they used scoop. Rosario used it 92 times, Sal used it 82 times, Bud used it 52 times, Hilario used it 42 times, Keven used it 32 times, Augustus used it 22 times, and Kory used it 12 times. 
Question: Who has a higher tolerance for scoop: Keven or Rosario?
Output (English): Rosario.