Given the task definition and input, reply with output. 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: Rhombic sulfur, the most stable form of sulfur, is made up of molecules of the following type:
Options: <1> S 2. <2> S 8. <3> S 4. <4> S 6 <5> Sn (n = 10-14).
2