Task: Question Answering
Input (English): Question: Regarding the definition of chronic kidney disease, one is INCORRECT: 
 Options:  <1> It requires persistent presence of structural or functional alterations of the kidney for at least 2 months. <2> It includes alterations in urine as proteinuria, independently of the glomerular filtration rate (GFR). <3> It includes a lower GFR of 60 ml / min / 1.73m2 of body surface regardless of the presence or absence of other markers of kidney damage. <4> It is classified into 5 stages according to the TFG. <5> The preparation for renal replacement therapy should be done in stage 4.
Output (English): 1