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: Consider Input: Question: The cellulose acetate filter membranes are compatible with: 
 Options:  <1> Organic solvents. <2> Aqueous solutions <3> All solvents <4> Organic solvents, except nitrogen. <5> Nitrogen solvents.

Output: 2


Input: Consider Input: Question: The translocation t (11; 14) is characteristic of mantle lymphoma. Which fusion protein originates, capable of promoting the cells towards the S phase of the cell cycle ?: 
 Options:  <1> BCL-2 <2> Beta-2-microglobulin. <3> Cyclin D1. <4> Transreticulin. <5> ALK protein.

Output: 3


Input: Consider Input: Question: What is the relationship between turbidimetry and nephelometry? 
 Options:  <1> Nephelometry is the inverse of turbidimetry. <2> Turbidimetry is more sensitive than nephelometry. <3> Nephelometry can be measured with a conventional spectrophotometer. <4> Both technologies measure the dispersion of light. <5> Both technologies are the most sensitive and used in clinical laboratories.


Output: 4