You will be given a definition of a task first, then some input of the task.
In this task, you are given a multiple-choice question about healthcare. Answer the question based on your information and classify your answers into '1', '2', '3', and '4'.

Question: In the postoperative period, clinical signs such as high temperature, cough, expectoration, dyspnea and chest pain correspond to a patient who presents: 
 Options:  <1> Pulmonary embolism. <2> Pulmonary emphysema <3> Pneumonia. <4> Atelectasis <5> Asthma crisis
Output:
3