The words natural born modify the noun Citizen.
Back in the day, everyone understood what natural born Citizen meant, a child born on the soil to parentS under the jurisdiction of the Government responsible for that soil.
Cruz is a canadian citizen
Cruz is a cuban citizen
Cruz is a us citizen
Back in the day, everyone knew what a “litter” was. Today, most have forgotten
Yes they modify citizen, because you can be a naturalized citizen who had to apply and immigrate here. As usual Cruz birthers have lots of trouble interpreting basic english language and grammar.