21.  And be particularly careful about teens who seem to go through a period of sad solitude, then suddenly perk up for no apparent reason.

22.  And every so often the screen turns blue for no apparent reason other than to evoke an artiness that seems entirely spurious.

23.  And now, for no reason apparent in the stars, a confluence of events has brought the composer to attention.

24.  And sometimes, for no apparent reason, your list of folders with addresses will disappear in the directory window.

25.  As Vandermerwe built his new life in Los Angeles, he switched his name often and for no apparent reason.

26.  At one point, Hunter decides to affect a tongue-rolling accent for no apparent reason other than to make matters even harder to understand.

27.  At the same time, and for no apparent reason, the FARC cut off contact with Jhon.

28.  At times, for no apparent reason, he will begin to weep uncontrollably.

29.  A pair of cleaning women, for no apparent reason, are walking slowly one after the other, each dusting an already spotless railing.

30.  A police constable was ambushed and killed for no apparent reason while patrolling a housing project in the Ontario city of North York.