Complex sentence: Before Mary Pickford, the public used to call Florence Lawrence the "Biograph girl"; but in 1910 Lawrence was lured away from Biograph by Carl Laemmle when he started his new Independent Motion Picture Company (IMP).
Split into simpler sentences: Before Mary Pickford, the public used to call Florence Lawrence the "Biograph girl". In 1910 Lawrence was lured away from Biograph by Carl Laemmle when he started the Independent Motion Picture Company (IMP).