1. From the word 'some', indicating no generalization, meaning it's only a speculation that a number of people only read books. Reading is a hobby, not everyone has the same hobby.2. People from cold countries still feel the frigid sensation of the cold, humans from the upper level of the equator are still biologically same to us humans, although, they developed a way to endure the cold climate.3. Not all athletes are tall, opposed to the fact that there are a lot of athletes that is short in stature, but physically capable to dominate and be on par with their rival. An example: Carlos Yulo