Definition: In this task, you are given a multiple-choice question about healthcare. Answer the question based on your information and classify your answers into '1', '2', '3', and '4'.
Input: Question: The Cori cycle: 
 Options:  <1> It involves the synthesis and degradation of glycogen. <2> It does not imply the conversion of lactate into pyruvate. <3> It only takes place in the liver. <4> Oxidizes tricarboxylic acids. <5> It involves glycolysis and gluconeogenesis.
