bpcategory$\_$struct

Write a function bpcategory$\_$struct$($ patients$)$ that takes in a structure array containing systolic and diastolic blood pressures of patient and returns the blood pressure categories as cell array of texts, according to the following chart. You can freely decide the category when a blood pressure value falls on a boundary $($e$.$g$.,$ if sys$=90$ and dia$=50,$ both 'low' and 'normal' are acceptable$).$