Task: Question Answering
Input (English): Question: Menopause is diagnosed by: 
 Options:  <1> The presence of more frequent and abundant cycles of what corresponds to each woman's own pattern. <2> The absence of menstruation in twelve consecutive months. <3> Symptoms derived from estrogen deprivation, such as insomnia, hot flashes or dry skin and mucous membranes. <4> The spacing of the rules, which are becoming increasingly infrequent. <5> Hormonal analyzes, densitometry, mammography and cytology.
Output (English): 2