text: According to Yen, "patient 4514" showed signs of the disease on May 17?
classes:  No, patient 4514 has been showing signs of disease change since May 17.  Besides, patient 4514 has been showing signs of disease change since May 17.  Yes, patient 4514 has been showing signs of disease change since May 17.  Meanwhile, patient 4514 has been showing signs of disease change since May 17.