Task: Question Answering
Input (English): Question: The hormone that facilitates the reabsorption of water by the kidneys, whose absence causes loss of large amounts of water in the urine, is called: 
 Options:  <1> Oxytocin <2> Vasopressin <3> Dopamine <4> Cholecystokinin <5> Glutamate.
Output (English): 2