Here is the story: A penguin researcher went for an expedition to the Antarctic with his crew. Something happened there. After he came back he visited a restaurant that served penguin meat. After taking one bite of the penguin steak, the researcher ran out of the restaurant crying.....What happened during the expedition ? Rules: you can ask me questions about the story that require only yes or no answer...... I got the right answer in 1 hour, my friend - 30 min, her brother - 2 days......How long will take for you to solve this riddle???