Cierto (True) - The narration states that it's Esteban's birthday and he is now 20 years old.
Cierto (True) - The narration mentions they are going to an Argentine restaurant.
Cierto (True) - The waiter brings the steak to Esteban.
Falso (False) - There is no mention of Esteban's friends eating pasta with tomato sauce and steak.
Cierto (True) - Esteban receives an iTunes card.
Please note that without the full context of the narration, these answers are based solely on the information provided in the sentences.