public void pickUp(String object, ArrayList<String> inv) {
        if (object.equalsIgnoreCase("floor")) {
            System.out.println("You can't pick up the floor...\n");
        } else if (object.equalsIgnoreCase("wall") || object.equalsIgnoreCase("walls")) {
            System.out.println("You can't pick up the walls...\n");
        } else if (object.equalsIgnoreCase("computer") || object.equalsIgnoreCase("screen") || object.equalsIgnoreCase("computer screen")) {
            System.out.println("You can't pick up the computer screen...\n");
        } else if (object.equalsIgnoreCase("keyboard")) {
            System.out.println("You can't pick up the keyboard...\n");
        } else {
            System.out.println("You want to pick up what?\n");
        }
    }