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 change of internal energy when a mole of solid is formed from gaseous ions at infinite separation, at atmospheric pressure and at 0 K is called energy: 
 Options:  <1> Deformation. <2> Of sublimation. <3> Reticular <4> Of condensation. <5> Of liquefaction.

Ex Output:
3


Ex Input:
Question: In general, water intake should be increased in patients undergoing chemotherapy with the aim of: 
 Options:  <1> Prevent kidney damage. <2> Fluidify bronchial secretions. <3> Relieve post-chemotherapy nausea. <4> Increase the volume. <5> Decrease the risk of infection.

Ex Output:
1


Ex Input:
Question: Botulinum toxin: 
 Options:  <1> It occurs in infected and poorly aerated wounds. <2> Blocks protein synthesis. <3> It blocks the secretion of acetylcholine in the myoneural plaque. <4> It interferes with nerve impulse transmission at the level of axons. <5> It causes necrosis of the nerve endings.

Ex Output:

3