That's just one choice. "(Murmuring) I was so struck by this comment that from then on, I started to offer all the participants those seven sodas, and I asked them," How many choices are these? "Again and again, they perceived these seven different sodas, not as seven choices, but as one choice: soda or no soda.
Y les preguntaba: "¿Cuántas opciones hay?" Y una y otra vez, percibían esos siete diferentes refrescos, no como siete opciones, sino como una: refresco o no refresco.