Which is correct to say, "The yolk of the egg are white' or, 'The yolk of the egg is white'?
What substance weighs more in its liquid form than in its solid form?
Mr. Green, Mr. Red, and Mr. Blue were at the 'Soul-Ace Hotel' having a drink. One man was wearing a red suit; one a green suit; and the other a blue suit. "Have you noticed," said the man in a blue suit, "that although our suits have colours corresponding to our names, not one of us is wearing a suit that matches our own names?" Mr. Red looked at the other two and said, "You're absolutely correct." What colour suit is each man wearing?