Question: Are the Manon Lescaut, a four act opera composed between 1890 and 1893 and Rusalka, one of the most successful Czech operas both by Antonín Dvořák?
Sentence (from "Rusalka (opera)"): "Rusalka" is one of the most successful Czech operas, and represents a cornerstone of the repertoire of Czech opera houses.
Relevant evidence: Yes