Section 32, Cases in which statement of relevant fact by person who is dead or cannot be found, etc., isrelevant.When it relates to cause of death;or is made in course of business;or against interest of maker;or gives opinion as to public right or custom, or matters of general interest;or relates to existence of relationship;or is made in will or deed relating to family affairs;or in document relating to transaction mentioned in Section 13, clause (a);or is made by several persons and expresses feelings relevant to matter in question