Task: Text Categorization
Input (English): Question: Hypoxemic hypoxia occurs when: 
 Options:  <0> Oxygen diffusion of lungs is difficult. <1> There is decreased blood flow due to cardiogenic shock. <2> The decrease in hemoglobin due to anemia prevents its transport. <3> The cell membrane is altered and can not use oxygen. <4> None is correct.
Output (English): nursery