Task: Question Answering
Input (English): Question: Regarding the prevention of relapses in major depressive disorder, current data indicate that the cognitive therapy of Beck's depression: 
 Options:  <1> It is an effective treatment. <2> It is an effective treatment only if it is applied in combination with antidepressant medication. <3> It is a less effective treatment than the continuation antidepressant medication. <4> It is a treatment that has not yet been examined in its efficacy compared to the continuation antidepressant medication. <5> It is effective for the acute treatment of major antidepressant disorder, but not to prevent its relapse.
Output (English): 1