This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Retina, Subject name: Ophthalmology
[{'content': 'Mucopolysacharide Hyaluronic acid is present in: \nSelect and explain. \nA. Aqueous Humor, B. Vitreous Humor, C. Lens, D. Cornea', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. (b) Vitreous HumorRef: Harper 27/e, p. 553-554Location of Major Glycosaiminoglycans[?]GlycosaminoglycanMajor LocationHyaluronic acid* Synovial fluid* Vitreous humor* Cartilage* Loose connective tissueChondroitin Sulphate* Cartilage* Bone* CorneaKeratan sulphate (KS)* Cornea (KSI)* Loose connective tissue (KS II)Heparin* Mast cellsHeparan sulphate* Aortic wall* Skin fibroblasts', 'role': 'assistant'}]