Phobias are fears that are exaggerated and completely out of proportion to any real danger that is inherent in a situation. Some people will stubbornly refuse to enter an elevator. Of course, the elevator could shut down, leaving you stranded until repairs are made, or a worn cable could break, allowing the elevator to fall precipitately past several floors. However, such problems are rare, and it makes no sense to walk up several flights of stairs two or three times each day in order to avoid such a possibility. How is sentence 2, “Some people will…” related to sentence 1, “Phobias are fears…”? It gives an example of what is stated in sentence 1 It tells an effect of something mentioned in sentence 1 It claifies the information in sentence 1 It contradicts sentence 1