Task: Question Answering
Input (English): Question: When the organism passes successively through the phases of alarm reaction, resistance phase and exhaustion phase, we refer to: 
 Options:  <1> The autonomous nervous system. <2> The placebo effect. <3> Electrokinesiological biofeedback. <4> Restrictive anorexia nervosa. <5> The general adaptation syndrome.
Output (English): 5