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: Psychiatry
The term "Ambivalence" was coined by : 
Select and explain. 
A. Hippocrates, B. Eugen Bleuler, C. Kraeplin, D. Sigmund Freud
B: Eugen Bleuler
Answer: B: Eugen Bleuler 
Explanation: B.. i.e. Eugen Bleuler