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 transducers are not suitable in Atomic Mass Spectrometry? 
 Options:  <1> Electron multiplying channels. <2> Faraday Cup <3> Photo plates. <4> Scintillation detectors. <5> Photomultiplier tubes.
