var q = require('q');

function cutSeat(WIPchair){
    var def = q.defer();

    console.log("Cut the chair's seat.");

    WIPchair.seat = "A nice seat for the chair.";
    def.resolve(WIPchair);

    return def.promise;
}

function assembleLegs(WIPchair){
    var def = q.defer();

    console.log('Assemble chair legs.');

    WIPchair.legs = "Chair legs.";
    def.resolve(WIPchair);

    return def.promise;
}

function buildChair(){
    WIPchair = {};

    cutSeat(WIPchair).then(assembleLegs).then(function (DONEchair){
        console.log(JSON.stringify(DONEchair,null,4))
    });

}

buildChair();