Detailed Instructions: 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'.
Problem:Question: The matrices of the composite materials can be:
Options: <1> Polymeric <2> Polymeric or metallic, but not ceramic. <3> Polymeric or ceramic, but not metallic. <4> Metallic or ceramic, but not polymeric. <5> Polymeric or metallic or ceramic.
Solution:
5