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: Dental
Among the following solvent which of the following is safest and effective gutta percha solvent? 
Select and explain. 
A. Terpentine, B. Choloroform, C. Methylchioroform, D. Halothane
B: Choloroform
Answer: B: Choloroform 
Explanation: None