Task: Question Answering
Input (English): Question: Between 24 and 36 hours after the peak of release of the hormone LH occurs, it is triggered: 
 Options:  <1> The menstruation. <2> Maturation of the Graaf follicle. <3> The ovulation <4> Oogenesis <5> The formation of the primordial follicle.
Output (English): 3