The answer is "El equipo".
This means "the team."
1. Los papeles
2. Una clase
3. You make the following word plural by changing "la" to "las" and adding an "s" to "silla" (las sillas)
4. You make the following word plural by changing the "z" to a "c" and adding "es" at the end (las luces)
5. You make the following word plural by changing "el" to "los" and adding "es" to "examen" (los examenes)
Das a lot lolllllll break it down