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: The organometallic compounds are derivatives: 
 Options:  <1> With a radical nature. <2> With covalent bonds between carbon atoms and metal atoms. <3> With electronic deficit and electrophilic character. <4> Practically not reactive. <5> With essentially reducing character.

Ex Output:
2


Ex Input:
Question: It is characteristic of the alpha helix: 
 Options:  <1> Present 3.6 amino acid residues per turn. <2> Be levorotatory <3> Be stabilized by intrachain disulfide bridges. <4> Present ionic bonds between amino and ketone groups loaded with peptide bonds. <5> Have the side chains of the amino acids inwards.

Ex Output:
1


Ex Input:
Question: What hormone causes ovulation ?: 
 Options:  <1> The FSH. <2> The LH. <3> Estrogens <4> Progesterone <5> The prostaglandins.

Ex Output:

2