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: They send efferent projections from the cerebellar cortex the: 
 Options:  <1> Purkinje cells. <2> Climbing fibers <3> Granular cells. <4> Horizontal cells. <5> Mossy fibers.

Ex Output:
1


Ex Input:
Question: They are reservoirs of Q fever (Coxiella burnetti): 
 Options:  <1> Bats <2> Poultry. <3> Rodents <4> Dogs. <5> Cows, sheep and goats.

Ex Output:
5


Ex Input:
Question: Given three DNA molecules of the same length (A, B and C) and in the same solvent, but with different richness in terms of G + C content (A: 50%, B: 60%, and C: 75% ), How would your melting temperatures (Tm) be ?: 
 Options:  <1> A> B> C. <2> Being in the same solvent, they would be the same in all three cases. <3> The DNA molecule C would not belong to a thermophilic bacterium, given its lower Tm. <4> C> B> A. <5> You can not know with the information of the statement.

Ex Output:

4