The question says what are you (plural form) going to do after dinner? According to the question, the answer will refer to the pronoun we, nosotros in spanish, and the conjugation of the verb ir in present is nosotros vamos. So, the right answer is vamos a descansar después de la cena.
Society is a set of individuals who live together in the same territory under a certain organization scheme, also sharing economic, political and cultural ties.
