ssume we take an umbrella to go out. [controller.getResponse 1] @responded == false. [controller.getResponse 2] @responded == false. [controller.getResponse 2] @responded == false. [controller.getResponse 2] @responded == false. Okay, I will assume we take an umbrella to go out. > If we take an umbrella to go out, then we might end up losing the umbrella. [controller.getResponse 1] @responded == false. [controller.getResponse 2] @responded == false. [controller.getResponse 2] @responded == false. [controller.getResponse 2] @responded == false. Okay, we take an umbrella to go out implies we might end up losing the umbrella. > If we end up losing the umbrella, we will get upset. [controller.getResponse 1] @responded == false. [controller.getResponse 2] @responded == false. [controller.getResponse 2] @responded == false. [controller.getResponse 2] @responded == false. Okay, we end up losing the umbrella -> we will get upset. > If we get upset, we will fight with each other. [controller.getResponse 1] @responded == false. [controller.getResponse 2] @responded == false. [controller.getResponse 2] @responded == false. [controller.getResponse 2] @responded == false. Okay, we get upset -> we will fight with each other. > If we fight with each other, we may get a divorce. [controller.getResponse 1] @responded == false. [controller.getResponse 2] @responded == false. [controller.getResponse 2] @responded == false. [controller.getResponse 2] @responded == false. Okay, we fight with each other implies we may get a divorce. > If we get a divorce, our kids may suffer for the rest of their lives. [controller.getResponse 1] @responded == false. [controller.getResponse 2] @responded == false. [controller.getResponse 2] @responded == false. [controller.getResponse 2] @responded == false. Okay, we get a divorce -> our kids may suffer for the rest of their lives. > But "our kids may suffer for the rest of their lives" is absurd! Let's not let that happen! [controller.getResponse 1] @responded == false. [controller.getResponse 2] @responded == false. [controller.getResponse 2] @responded == false. [controller.getResponse 2] @responded == false. Therefore, we does not take an umbrella to go out. >