The results of a survey of common allergies wasorganized into a venn diagram. answer the questions about the following sets: d = {x|x is a person allergic to dogs): c = {xlx is aperson allergic to cats); p = {x|x is a person allergic topollen)how many people are not allergic to any of the threehow many people are allergic to all three how many people are allergic to both dogs and catsbut not allergic to how many people are allergic to cats