This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
Which of the following is a glycopeptide antibiotic - 
Select and explain. 
A. Vancomycin, B. Penicillin, C. Clindamycin, D. Tetracycline
A: Vancomycin
Answer: A: Vancomycin 
Explanation: Ans. is 'a' i.e., Vancomycin Vancomycin and Teicoplanin are glycopeptide antibiotics.