Sentence 1: My sister-in-law has shortness of breath. 
 Sentence 3: She said her latest CT scan showed her lungs were ok 
 Sentence 4:  Yet she still used an inhaler, and I was skeptical 
 Sentence 5:  Now she has a cough that will not stop 
 Given Sentence 2: My leg accidentally licked the ladder when I reached the top.