| http://www.w3.org/ns/prov#value | - The students were randomly served an entr??e and two side dishes (chicken, a vegetable and a carbohydrate such as rice or potatoes), a low-carbohydrate meal (chicken and a vegetable) or a vegetarian meal (a vegetable and a carbohydrate) in a buffet and told to take as much or as little as they wished.
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