Does the sentence "The firmware update 3.21 was mandatory for access to the PlayStation Network." provide a valid answer to the question "Was firmware update 3.21 optional or mandatory if users wanted to continue accessing the PS Network?"

A: yes

Does the sentence "The opole was the territory occupied by a single tribe." provide a valid answer to the question "What was the territory occupied by a single tribe?"

A: yes

Does the sentence "The current "Precentor" (Head of Music) is Tim Johnson, and the School boasts eight organs and an entire building for music (performance spaces include the School Hall, the Farrer Theatre and two halls dedicated to music, the Parry Hall and the Concert Hall)." provide a valid answer to the question "What term is given to the Head of Music?"

A: yes

Does the sentence "The city's East End Theatre District includes theatres that similarly date from 1850s to the 1920s, including the Princess Theatre, Regent Theatre, Her Majesty's Theatre, Forum Theatre, Comedy Theatre, and the Athenaeum Theatre." provide a valid answer to the question "The Princess Theatre, Regent Theatre, and Forum Theatre are members of which of Melbourne's theater districts?"

A:
yes