Task: Text Categorization
Input (English): Question: Tamoxifen: 
 Options:  <0> It is used for the treatment of type 2 diabetes. <1> It is an inhibitor of phosphoenolpyruvate carboxykinase. <2> It is a progesterone receptor agonist. <3> It is an estrogen receptor antagonist. <4> Decreases cellular sensitivity to insulin.
Output (English): pharmacology