human
Known content: \n tobacco contains more than 7,000 kinds of chemical substances, now known to have at least 250 kinds of harmful substances, carcinogenic substances nearly 70 kinds. The main harmful substances include: (1) nicotine: that is, the cigarette packet labeled smoke nicotine, is the main addictive substance, causing addiction similar to heroin and morphine. It usually takes only a few seconds to enter the brain and give a sense of pleasure. (2) tar: that is, the brown viscous liquid formed after the burning of tobacco, containing many complex compounds and radioactive substances such as these substances accumulated in the body for a long time is very harmful to the human body. (3) carbon monoxide: can be combined with the hemoglobin in the blood, so that the hemoglobin can not be combined with oxygen, thus causing the body tissues and organs appear hypoxia. |The effectiveness of TCM in quitting smoking is controversial, and there is not enough scientific evidence to confirm the effectiveness of TCM in quitting smoking on the harms caused by smoking. |You can tell them openly and honestly that you are quitting smoking, hoping to gain everyone's understanding and support, and I believe that everyone will respect you. |I don't know what the harm is \n\n Question: \nNow I want to know what the harm is from smoking . Now please answer the question based on what is known earlier. If the answer cannot be obtained from the known information, please say 'Cannot answer the question based on the known informatio
gpt
--- Reasoning ---
1. Is the question multiple-choice question?
No
2. Is it implied multiple-choice question?
No
3. If two experts were independently asked the question, will the final answer be exactly the same?
No

--- Answer ---
open