What is the different between zulma and piano obsession

How can you tell that the text is from a biography

Juanito. hey, don't leave yet. what type of work? and where? who do i see? hey, don't leave yet! the duende. (the duende stops and turns). be careful. danger. danger. (he exits.) —blanca flor, angel vigl read these lines from the play again, then rewrite them as they might appear in a novel. the answer is 'hey, don't leave yet," cried juanito. "what type of work? and where? who do i see? hey, don't leave yet! " the duende stopped and turned back to juanito. "be careful. danger," he warned. as he turned to leave, he repeated: "danger."

What is the italicized part in the sentence , all of the operators are efficient.