In general you want to be a bit more concise in forming a thesis statement. Usually you should shoot for between 1 and 2 sentences summarizing your argument in a concise way so that it is easily understandable to the reader. I would take what you have written and look for your main argument and try and put that in 1 to 2 sentences.
Answer:
Sentence 3, because it is just a fact.
Explanation:
False. Comedies are funny and people do not take them seriously.