instruction:
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'.
question:
Question: Nitric oxide: 
 Options:  <1> It is synthesized from methionine. <2> Activates cAMP-dependent protein kinase (PKA). <3> It binds to receptors coupled to G proteins (GPCR). <4> Induces relaxation of the vascular endothelium. <5> It binds to receptors with protein tyrosine kinase (PTK) activity.
answer:
4


question:
Question: Prosopagnosia is defined as: 
 Options:  <1> Extreme form of agnosia characterized by the inability to recognize familiar faces. <2> Failure to recognize objects by touch. <3> Loss of ability to visualize images. <4> Form of anosognosia in which the patient denies his blindness. <5> Perceptive experience of an amputated limb.
answer:
1


question:
Question: Streptococcus sobrinus and Streptococcus mutants are responsible for: 
 Options:  <1> Dental cavities. <2> Burns infections. <3> Rheumatic fever <4> Atypical rhinitis. <5> Otitis stockings.
answer:

1