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: Phosphatidylinositols: 
 Options:  <1> They are derivatives of glucocerebrosides. <2> They act as intracellular signals. <3> They are lysosomal lipids. <4> They are biological detergents. <5> They contain taurine or glycine.
