Question: Who trained with a ballerina that was the first ballerina to tour ballet around the world?
Sentence (from "Anna Pavlova"): Anna Pavlovna (Matveyevna) Pavlova (Russian: Анна Павловна (Матвеевна) Павлова ; February 12 [O.S. January 31] 1881 – January 23, 1931) was a Russian prima ballerina of the late 19th and the early 20th centuries.
Relevant evidence: No