The difference between is the accent and how they pronounce certain words
Ustedes están nadando y corriendo.
Answer:
diptongo
caos, puerta, Europa, oeste, cielo, oblicuo, Asia, teorema, peinado, puerto, junio, hay, astronauta, afeitarse
Hiato
frío, bahía, país, filosofía,
The correct answer for your question is Tenga cuidado