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
[{'content': 'Trisodium phosphate added to alginate contributes towards: \nSelect and explain. \nA. Increasing the working time of alginate impression material, B. Acts as an accelerator, C. Initiating the setting reaction, D. Provides gel strength', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]