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Hi, Sam.

I'm so sorry, I'm writing not so good news for you. You see, I was waiting for your party so long. But I can't come, really. What's the reason? Well, my parents always say that New Year is a family holiday. But this year I persuaded them to change the rules. And they agreed. But at the very last moment they told me about my granny's coming. You see, she didn't come to us for five years. She lives abroad. And as you see, I can't miss our family New Year. I hope, you'll undersand me. Sorry.

With best regards, David.