Assertion: skim milk's calorie | /r/HasProperty | only about 7% of the calories
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Source sentences:
text: For example, an adult drinks half a catty (250 grams) of whole milk a day, with a calorie of about 670 kJ; while an adult needs a calorie of 8,000 to 10,000 kJ per day, which is only about 7% of the calories.