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: Which of the following compounds in a fundamental intermediate of the synthesis of triacylglycerols and phospholipids: 
 Options:  <1> CDP-choline. <2> Phosphatidate <3> Triglyceride <4> Phosphatidylserine <5> CDP-diacylglycerol.
