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'.

Q: Question: Due to its high mercury content, the Spanish Agency for Food Safety and Nutrition recommends pregnant women not to consume: 
 Options:  <1> Mature soft cheeses, type Brie or Camembert. <2> Pate or foie gras. <3> Large fatty fish. <4> Raw sausages <5> Green leaf vegetables.

A: 3
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Q: 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.

A: 2
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Q: Question: Given the suspicion of hypertrophic pyloric stenosis, how would you start the complementary exams? 
 Options:  <1> Digestive transit. <2> Gastric pHmetry <3> Simple radiology <4> Ultrasound <5> Isotopic study

A:
4
****