Yours for the Telling
Raymond Queneau

11) they were dreaming they had gone to fetch their soup from the soup kitchen and, upon opening their billy-cans, discovered it to be vetch soup. Sickened with horror, they awoke.

If you wish to know why they awoke sickened with horror, consult your Oxford English Dictionary under "vetch" and draw your own conclusions; if it's all the same to you, proceed to 12.