private Mogram createExertionJob() throws Exception {
        Task coffee = task("coffee", sig("makeCoffee", CoffeeService.class), context(
            val("recipe/key", "espresso"),
            val("coffee/paid", 120),
            val("coffee/change"),
            val("recipe", getEspressoContext())));

        Task delivery = task("delivery", sig("deliver", Delivery.class), context(
            val("location", "PJATK"),
            val("delivery/paid"),
            val("room", "101")));

        Job drinkCoffee = job(coffee, delivery,
            pipe(outPoint(coffee, "coffee/change"), inPoint(delivery, "delivery/paid")));

        return drinkCoffee;
    }