Task: Text Categorization
Input (English): Question: Patient with polyuria and polydipsia with a specific urine density greater than 1.040. From the following options indicate the most probable diagnosis: 
 Options:  <0> Alcohol intoxication <1> Suppression of ADH (vasopressin) by barbiturates. <2> Mellitus diabetes. <3> Lithium toxicity that causes diabetes insipidus. <4> Central deficit of ADH (vasopressin).
Output (English): pharmacology