article_snippet.sent: Four men can build four boats in four days.
article_snippet.sent: How long will it take one man to build one boat?
article_snippet.sent: Which is heavier, milk or cream?
article_snippet.sent: If a hen and a half lays an egg and a half in a day and a half, how many eggs will seven hens lay in six days?
article_snippet.sent: They heard meat was stewed.