Definition: 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'.
Input: Question: Type I pneumocytes: 
 Options:  <1> They produce surfactant. <2> They give rise to type II pneumocytes. <3> They have a lot of organelles. <4> They are responsible for gas exchange. <5> They are mesenchymal cells.
