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': 'Which of the following chemical is responsible for the skin condition given below: \nSelect and explain. \nA. MBEH, B. PTBP, C. PTTP, D. Hydroquinone', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Monobenzyl ether of hydroquinone (MBEH) : a chemical constituent of rubber in slippers can lead to contact leucoderma as shown in the above image.', 'role': 'assistant'}]