Detailed Instructions: Given a text, write a compressed version of it in a single sentence.
Q: An Upjohn spokesman said he had " heard nothing " to suggest the early retirement package was spurred by shareholder pressure or a potential bidder for the company, which occasionally has been the target of takeover speculation. The company earlier this year adopted a shareholder-rights plan to ward off unwanted suitors.
A:
An Upjohn spokesman said he had "heard nothing" to suggest the early retirement package was spurred by shareholder pressure or a potential bidder for the company, which occasionally has been the target of takeover speculation.