It could be super mercado o mercado
Estan.
It is the ellos/ellas/uds. form of estar.
Answer:
estan, estamos
Explanation:
Javier y Maribel (estan) en el estadio
Nosotros (estamos) en la cafeteria
In the english these would translate to:
Javier and Marible are in the stadium
We are in the cafeteria