i have read an article about this question!
* u- y7 J7 ^' {$ k1 |A man send a carton of eggs and a hen to his own living place,
' A; n, p0 B ~, Y! r x( Hand he realised that the eggs arrived before the hen do!
- m6 b( L8 K1 w8 Z/ IThen he claims that eggs come before hen |