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: With respect to the pharmacological treatment for depression, it can be stated that:
Options: <1> The side effects of Selective Serotonin Reuptake Inhibitors (SSRIs), such as fluoxetine, are zero. <2> Treatments with SSRIs are more effective than those using cyclic antidepressants. <3> In general, pharmacological treatments should not be combined with psychological treatments. <4> They have been shown to be effective for 50% of patients, while the efficacy of placebo would be of the order of 30%. <5> Monoamine oxidase inhibitors (MAOIs) have been shown to be superior to other antidepressants in the treatment of severe depression.
Output:
4