sandra's father work for a large company with offices all around the world sandra was born while her parents were living in costa rica for more than a year. Her father is a us citizen but her mother is from costa rica and is not a us citizen her father grew up overseas and has never actually lived one here continuously in the united states. However, her american grandmother came to costa rica when sandra was born. Sandra's parents are married based on these facts in the law above with sandra us citizen at birth?