Identify the parts of an experiment to include the treatment group, control group, blinding (if any) and type (basic, controlled or placebo controlled). For the clinical trials of a weight loss drug containing Garcinia cambogia the subjects were randomly divided into two groups. The first received an inert pill along with an exercise and diet plan, while the second received the test medicine along with the same exercise and diet plan. The patients do not know which group they are in, nor do the fitness and nutrition advisors.

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