Take the following as truth: Best known for his Broadway musicals West Side Story and Fiddler on the Roof , his greatest contribution is said to be the integration of Modernist innovations and popular dance steps with classical ballet.
Then the following statement: "He is known for the integration of Modernist innovations and popular dance steps with classical ballet, and his most popular Broadway musicals were West Side Story and Fiddler on the Roof." is true, false, or inconclusive?