Which quotation from this passage is an example of foreshadowing? "Some hams hanging in the kitchen were taken out for burial, and the barrel of beer in the scullery was stove in." "The farmhouse should be preserved as a museum. All were agreed that no animal must ever live there." "The animals had their breakfast, and then Snowball and Napoleon called them together again." "‘Comrades,’ said Snowball, ‘it is half-past six. . . . Today we begin the hay harvest.’"