This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology and Reproduction, Subject name: Physiology
[{'content': 'Nutrition to sperm is provided by- \nSelect and explain. \nA. Glucose, B. Fructose, C. Galactose, D. Starch', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. is \'b\' i.e., Fructose "Nutrition to sperms is mainly provided by fructose".', 'role': 'assistant'}]