The answer is Nos nuestra abuela es muy simpatica . siempre nos da galletas y leche cuando le vistiamos
Hmm i assume you mean in spanish right? probably go with "Hola como estas ustedes, mi nombre es (insert name here). however i recommend waiting for someone a little more knowledgeable as i am from a less fancy part of Mexico and that's just how everyone is "polite" around my home town hope this helps
