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'.

Example Input: Question: Which of these equalities is INCORRECT? 
 Options:  <1> Decil 1 = Centil 10. <2> Quartile 1 = Percentile 25. <3> Quartil 2 = Centil 20. <4> Decil 5 = Medium. <5> Quartile 3 = Centil 75.
Example Output: 3

Example Input: Question: If the normal reduction potential of the pair Zn2 + / Zn is -0.76 V: 
 Options:  <1> Aqueous solutions of Zn2 + at pH = 0 release oxygen. <2> Putting metallic Zn in aqueous solution at pH = 0 releases oxygen. <3> Aqueous solutions of Zn2 + at pH = 0 give off hydrogen. <4> By putting metallic Zn in aqueous solution at pH = 0, hydrogen is evolved. <5> Zn2 + dismutates in aqueous solution at pH = 0.
Example Output: 4

Example Input: Question: One of the following coenzyme ratios with chemical groups transferred is NOT correct: 
 Options:  <1> Biocitin - CO2. <2> Coenzyme A - acyl groups. <3> Flavin adenine dinucleotide - electrons. <4> Thiamine pyrophosphate - amino groups. <5> Tetrahydrofolate - monocarbonated groups.
Example Output:
4