Teacher:Given a text, write a compressed version of it in a single sentence.
Teacher: Now, understand the problem? Solve this instance: Corporations and museums are among the serious buyers, giving greater market stability, says Robert Persky of the Photograph Collector. " When I see prints going into the hands of institutions, I know they aren't going to come back on the market. "
Student:
"Corporations and museums are among the serious buyers, giving greater market stability," says Robert Persky. "