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: Which of these equalities is INCORRECT? 
 Options:  <1> Decil 1 = Centil 10. <2> Quartile 1 = Percentile 25. <3> Quartil 2 = Centil 20. <4> Decil 5 = Medium. <5> Quartile 3 = Centil 75.
3

Question: What studies should be performed in an adenocarcinoma with prominent mucinous differentiation of ascending colon diagnosed in a 32-year-old man? 
 Options:  <1> Reorganization of the MYC gene. <2> Analysis of microsatellite instability. <3> Study of mutations of the RET gene. <4> Study of BRCA1-2 mutations. <5> Studies of TP53 mutations.
2

Question: By cooling rapidly to room temperature and tempering an ordinary (low carbon) steel in water, the structure known as: 
 Options:  <1> Perlite <2> Spheroidite <3> Bainita <4> Ferrita. <5> Martensita

5