Task: Question Answering
Input (English): Question: A dyslipidemia with phenotype IIa of Fredrickson may have its origin in mutations in the gene of: 
 Options:  <1> The LDL receptor. <2> Lipoprotein lipase (LPL). <3> The Apo CII. <4> The Apo A-II. <5> The Apo B-48.
Output (English): 1