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'.

Example Input: Question: Exposure to androgens in a sensitive or critical period, at the beginning of development, causes masculinization of the sexual and behavioral organs. This effect has received the name of:
Options: <1> Motivational effect <2> Effect of pheromones. <3> Activating effect. <4> Organizer effect. <5> Biological effect
Example Output: 4

Example Input: Question: In the determination of water hardness due to the presence of Ca2 + and Mg2 + ions, the titrant reagent is used:
Options: <1> Methyl orange. <2> A standard solution of potassium chloride. <3> Black Eriochrome T. <4> A standard solution of ethylenediaminetetraacetic acid (EDTA). <5> A solution of AEDT previously standardized against a solution of potassium phthalate.
Example Output: 4

Example Input: Question: One of the following effects is characteristic of morphine consumption:
Options: <1> Mydriasis. <2> Eye flushed. <3> Excessive tearing. <4> Miosis <5> Increased intraocular pressure.
Example Output:
4