In this task, you're given a pair of sentences, sentence 1 and sentence 2. Your job is to determine if the two sentences clearly agree/disagree with each other, or if this can't be determined. Indicate your answer as yes or no respectively.

Sentence 1: My jaw dropped involuntarily, and he said at once: "No, mon ami, I am not in my second childhood!  Sentence 2: I was completely surprised.
no

Sentence 1: But Sir James was already on the topmost stair. Sentence 2: They were telling Sir James to come upstairs, not realizing he was already there.
no

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.

yes