For me I say that a truck with a cab longer than its bed is not a truck, but an SUV with an overgrown bumper.

    • You’re supposed to give the generic thing first. The specific thing also needs to be in the same group as the generic thing. So Europe - Germany as per the example above, Germany is in Europe, so visiting Germany means you’ve been to Europe, but visiting Europe doesn’t mean you’ve been to Germany.

      Other examples: “I can barely afford food, let alone a new Porsche”. Not being able to afford food means that you necessarily can’t afford a new Porsche, but not being able to afford a new Porsche doesn’t say anything about your ability to afford food.