Can someone explain more about conspiracy theories? a lot of the times people are drawn to it cause it explains the thing that can't be explained even if it doesn't make sense. like add more details to the one on the top

Choose the sentence that is not logically connected in the paragraph. (1) doctor henderson was a kind and gentle man. (2) his patients loved and respected him. his death made many of them sad. (3) as a young man, he decided to become a doctor and pursue a life of healing and comforting. (4) his work will long be remembered by the citizens of battle creek, michigan.