Premise: Mark Zuckerberg . He is a co-founder of Facebook , and currently operates as its chairman and chief executive officer . On December 1 , 2015 , they announced they would eventually give 99 percent of their Facebook shares ( worth about US$ 45 billion at the time ) to the Chan Zuckerberg Initiative .
Hypothesis: Mark Zuckerberg was involved in the creation of Facebook.
Label: ENTAILMENT