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: The sequencing of an oligosaccharide is done by: 
 Options:  <1> Degradation Edman. <2> Chromatography Whatman. <3> Patch-Clamp. <4> Mass spectrometry. <5> Capillary electrophoresis.
