The correct answer is aquella, because we would use the word if there was a difference in the distance. Like if you were in the right corner of a room, and the guitar was at the left corner of the room. And another reason is because aquella is feminine and in spanish, guitar is feminine.
Es tu turno de limpiar la mesa
<span>El último movimiento de la suite de estancia de Ginastera, titulado "final dance: malambo", hace uso de un formulario __________.</span>