let a = document.querySelector('.a');
let b = document.querySelector('.b');
let c = document.querySelector('.c');
function select1(){
b.style.display = "none"
c.style.display = "none"
b.setAttribute("aria-hidden", "true")
c.setAttribute("aria-hidden", "true")
}
function select2(){
a.style.display = "none"
c.style.display = "none"
a.setAttribute("aria-hidden", "true")
c.setAttribute("aria-hidden", "true")
}
function select3(){
a.style.display = "none"
b.style.display = "none"
a.setAttribute("aria-hidden", "true")
b.setAttribute("aria-hidden", "true")
}