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: Derived from blood monocytes: 
 Options:  <1> Protoplasmic astrocyte. <2> Fibrous astrocyte. <3> Oligodendrocyte <4> Microgliocyte <5> Satellite cell.
