4. [2 pts] Jeremy feeling sick today. He has fever, cough, and phlegm and wants to see Dr. Laker. Dr. Laker has lots of experiences to examine patients who are suffering from cold, flu, and pneumonia before. Consider the following sets about symptoms of the diseases and the symptoms of Jeremy. Cold = {fever, cough, sniffing nose} Flu = {fever, muscle aches} Pneumonia = {fever, cough, phlegm} Sympt = {fever, cough, phlegm} a. What is the Jaccard Coefficient Similarity between Cold and Sympt. b. What do you think Dr. Laker diagnoses him? Answer the question by showing the Jaccard Coefficient Similarity between all the diseases and Sympt and comparing them.