q.js

var hometown = "where is your hometown?"
if (hometown = "california") {
    var sf = "have you been to san francisco?"
    if (sf = "yes") {
        var apple = "have you been to apple inc?"
        if(apple = "yes") {
            var ceo = "did you met Timothy Cook?"
            if(ceo = "yes") {
                alert("congrat");
            } else {
                alert("sad")
            }
        }
    }
} else {
    var f = "what is famouse in your homewotn?"
    if (f = "" || f != "") {
        alert("by");
    }
}