Sentence:  Peek a Boo said, "I'm sorry guys, please tell my father that I'm ok. You see, I'm trying to become the first <WSD>sea lion</WSD> to become a Navy Seal.” The Jamaican Shaken Crabs looked at each other and said, “I don't know if your father told you, but you're a <WSD>sea lion</WSD> and no <WSD>sea lion</WSD> has ever become a Navy Seal." 
Meaning of the word marked with <WSD> tags:  A marine mammal of any of several genera in the family Otariidae (the eared seals).