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: Legionella pneumophila is transmitted by:
Options: <1> Air conditioning systems. <2> Contact between individuals. <3> Mosquito bite. <4> Contaminated food. <5> Fecal-oral route.
answer:
1

question:
Question: Which of the following hydrides has the highest normal boiling point?
Options: <1> SiH4. <2> CH4 <3> HCl. <4> PH3. <5> HF
answer:
5

question:
Question: Benzodiazepines reduce anxiety because they work as:
Options: <1> Antagonists of GABA receptors. <2> GABA receptor agonists. <3> Antagonist of noradrenergic receptors. <4> Noradrenergic receptor agonist. <5> Antagonists of serotonergic receptors.
answer:
2