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'.

Ex Input:
Question: One of the following answers is FALSE regarding breast cancer.
Options: <1> The majority of tumors (70%) have receptors for hormones. <2> The stage measured according to the TNM system is one of the prognostic factors of the disease. <3> The presence of axillary adenopathies contraindicates breast surgery. <4> Anthracyclines and taxanes are the chemotherapeutic agents most used in the complementary treatment. <5> The breast-conserving surgery associated with radiotherapy has comparable results to mastectomy.

Ex Output:
3

Ex Input:
Question: The matrices of the composite materials can be:
Options: <1> Polymeric <2> Polymeric or metallic, but not ceramic. <3> Polymeric or ceramic, but not metallic. <4> Metallic or ceramic, but not polymeric. <5> Polymeric or metallic or ceramic.

Ex Output:
5

Ex Input:
Question: The terpene that contains 10 carbon atoms and is derived from two isoprene units is called:
Options: <1> Diterpene <2> Monoterpene <3> Sesquiterpene <4> Triterpene <5> Meroterpeno.

Ex Output:
2