my teacher said that I was supposed to define the article out to the right after the equal sign= what does she mean by that or could anyone help me please?

30 ! pls it is due complete the following conversation with the correct forms of the verbs ser and estar martin: "! hola berta! ? como (" berta: "bien, gracias. oye, (2) muy guapo" martin: "gracias. voy a una fiesta berta: "? si? ? donde ( la fiesta? " martin: "en la clase de lorena" berta: "? quien ( lorena? " martin: "lorena ( la prima de carlos. ella ( en nuestra clase de computacion. ( de la republica dominicana" berta: "( la chica alta, delgada y moreno ? verdad? " martin: "si. ? quienes ir a la fiesta? " berta: "no, gracias. ( ocupada"