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 NOT a second generation antihistaminic ? 
Select and explain. 
A. Cyclizine, B. Fexofenadine, C. Loratadine, D. Acrivastine
A: Cyclizine
Answer: A: Cyclizine 
Explanation: None