21.  Or is it a more complex thing altogether, rooted in the polarities of public and private life and perhaps even middle age itself?

22.  Sex, for a squid, is a complex thing, Hanlon said.

23.  Simple things, it seems, should be produced by shorter programs, and complex things by longer programs.

24.  Simple things such as the birth of a new baby in the family or more complex things such as separations or parental strife or divorce can be the cause.

25.  They can do all sorts of complex things with their eyebrows and the corners of their mouths.

26.  This is rather a fine point in the desert of the typical New York street, but the making of a block beautiful is a complex thing.

27.  To communicate that visually is a very complex thing.

28.  That is why I mentioned that racism is a complex thing.