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: In relation to the physiology of the complement system, one of the following statements is false: 
 Options:  <1> Most of its components are inactive. <2> Its mode of activation is similar to the coagulation cascade. <3> It is subject to strict control of regulatory mechanisms. <4> It is only activated by two different routes: the classical and the alternative. <5> During its activation, multimolecular complexes are formed.
