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'.

Ex Input:
Question: Point out the INCORRECT response in relation to the primary prevention measures of skin cancer: 
 Options:  <1> Avoid sun exposure between 12 and 15 hours. <2> Application of sun creams with high sun protection index, 15 minutes before exposure. <3> Use photoprotection to increase the time of exposure to the sun. <4> Use sunglasses, hats and appropriate clothing, as well as awnings and umbrellas. <5> Do not expose babies to the sun or to those who are being treated with immunosuppressants.

Ex Output:
3


Ex Input:
Question: Which of the following molecules has the highest number of antibonding electrons? 
 Options:  <1> B2. <2> N 2 <3> Li2. <4> F 2 <5> O 2

Ex Output:
4


Ex Input:
Question: Which of the following reliability calculation methods can not be carried out with a single application of the test? 
 Options:  <1> Alpha coefficient of Cronbach. <2> Guttman-Flanagan. <3> Rulon <4> Method of parallel forms. <5> Method of the two halves.

Ex Output:

4