1.  Animals with warning colours on average live longer than those without, and there is a simple reason for this.

2.  He built it for a very simple reason.

3.  I hate mobile phones, for the simple reason that it is now impossible to get away from them.

4.  It failed for the simple reason that no coherent principles or policies came forward to replace the old ones.

5.  It is going to take off for the simple reason that everybody, with the fundamentalists in the lead, wants change.

6.  It was not something which occurred all that often for the simple reason that he did not have the wherewithal.

7.  The simple reason for that is that farmers put their most Marginal and least productive land into set-aside.

8.  This was more or less true, for the simple reason that I have always preferred to be the one pursued.

9.  So far there has been little discussion of the superego for the simple reason that there has been little cause to mention it.

10.  We never did establish that for the simple reason we were in a terrible quandary ourselves wondering which version was the right one.