Task: Text Categorization
Input (English): Question: The degenerative neurological disorder that occurs as a result of degeneration and loss of nigrostriatal dopaminergic neurons is called: 
 Options:  <0> Phenylketonuria <1> Transmissible spongiform encephalopathy or TSE. <2> Multiple sclerosis. <3> Huntington's disease <4> Parkinson's disease
Output (English): psychology