Answer:
ser or estar
Step-by-step explanation:
The verb ser means "to be" regarding permanent traits such as personality or characteristics. i.e. tall, married, skinny, (adj.)
Examples:
Yo soy muy artistica.
I am very artistic.
Tú eres un chico.
You are a boy.
The verb estar, on the other hand is used to converse about temporary statuses. i.e. location, time, health, condition
Examples:
Ya estoy en el cine. Dónde estás?
I'm already at the movie theater. Where are you?
Ella está enferma, asi que no puede venir hoy.
She is sick, so she can't come today.
Hope this helps!