<|im_start|>user
Of the following, which are characters from the TV show "I Love Lucy:" Lucy Ricardo, Ethel Mertz, Donald Trump, John Fitzgerald Kennedy, Ricky Ricardo, Fred Mertz, Batman, John Smith<|im_end|>
<|im_start|>assistant
Lucy Ricardo, Ethel Mertz, Ricky Ricardo, Fred Mertz<|im_end|>
