12 3-3

var musicians = 20;

if (musicians <= 0) {
    console.log("not a group");

} else if (musicians === 1) {
    console.log("solo");

} else if (musicians === 2) {
    console.log("duet");

} else if (musicians === 3) {
    console.log("trio");

} else if (musicians === 4) {
    console.log("quartet");

} else{
    console.log("this is a large group");
}