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: The placenta is a derivative of:
Options: <1> The zona pellucida. <2> The trophoblast. <3> The ectoderm <4> The mesoderm <5> The primitive line.
answer:
2

question:
Question: The following metals can be determined by complexometric or chelometric titration:
Options: <1> All without exception. <2> All except transition metals. <3> All except lithium, sodium and potassium. <4> All except alkaline earth metals. <5> All except gold and silver.
answer:
3

question:
Question: What is the most common course of somatization disorder (DSM-IV-TR)?
Options: <1> It is an acute disease. <2> It is a chronic disease that always remits completely. <3> It is a chronic and fluctuating disease that rarely remits completely. <4> It is very common for a year to pass and the individual suffering from this disorder no longer seek medical help for unexplained somatic symptoms. <5> It is not a fluctuating disease but it is not considered chronic.
answer:
3