Hello there,
Yo estoy muy bien. A mí me gusta tocar la guitarra y cantar.¿ Y a ti? Qué actividades te gusta hacer? what does this mean in english?
It means,
I'm fine. I like to play the guitar and sing. And you?
What activities do you like to do?
Un is an a like he is a doctor in Spanish is el es UN doctor and the word “un” have an female that is una an example she is a nurse in Spanish is Ella es UNA doctora