Multiple Answers:
La guitarra está a la derecha
del piano.
La guitarra está a la izquierda del piano
The possessive adjective that can also be used formally with usted is: <u>Su</u>
<u>The other adjectives are used with the following pronouns:</u>
<u>Yo ---Mi</u>
<u>Nosotros ---Nuestro </u>
<u>Tu ---- tu </u>
Answer:
I don't understand you're question