Read the text and answer the question.
Scientists did an experiment to test a new medicine. They gave the medicine to 50 patients and a placebo to another 50 patients. After one month, 40 patients in the medicine group got better, while only 10 patients in the placebo group improved.
What can we conclude from this experiment?
A)The medicine is definitely a cure for all diseases.
B)The medicine seems to be effective.
C)The placebo is more effective than the medicine.
D)The experiment was not successful.
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