Input: Sentence 1: LSC staff in attendance included Randi Youells, Vice President for Programs; Mauricio Vivero, Vice President for Government Relations/Public Affairs; Michael Genz, Director of the Office of Program Performance; Robert Gross, Senior Program Counsel, State Planning Team; Althea Hayward, State Planning Team (Diversity); Melissa Pershing, State Planning Team (who, with input and assistance from OPP staff, prepared and coordinated the agenda); and assistants Wendy Burnette and Lynn Wilson, who were responsible for conference logistics, registration, and on-site conference assistance. Sentence 2: No  LSC staff attended the conference.
Output: 

 yes