Margarita la tornera (Margarita the Gatekeeper) is an opera in three acts composed by Ruperto Chapi to a libretto by Carlos Fernandez Shaw, based on a dramatic poem by Jose Zorrilla. It premiered on February 24, 1909 at the Teatro Real in Madrid in a performance conducted by the composer. An acclaimed recording of the opera came out in 1999 with Placido Domingo and Elisabete Matos.

Based on that paragraph can we conclude that this sentence is true?
Margarita la tornera (Margarita the Gatekeeper) is an opera based on a writing by Jose Zorrilla

Choices:
(a). Yes
(b). It's impossible to say
(c). No
(a).