Task: Question Answering
Input (English): Question: When two or more major depressive episodes occur, separated by a period of at least two months, during which the individual does not become depressed, what is diagnosed? 
 Options:  <1> Major depressive disorder. <2> Dysthymic disorder. <3> Cyclothymic disorder <4> Major recurrent depressive disorder. <5> Depressive episode
Output (English): 4