1.   His choice of words was not a very happy one.

2.   It is easy to infer that the Marriage was not a very happy one.

3.   The Marriage, though brief, was a happy one.

4.   Walker heard them crying during the emotional scenes and guffawing through happy ones.

5.   The happy ones are on their way to their annual free lunch, provided, as is the custom, by their MP or prospective candidate.

6.   However, the memory is a happy one.

7.   To summarise therefore, a big change, but a happy one, and a bright future in the Norfolk countryside.

8.   It is certainly a record for the company and a very happy one.

9.   The word taxation is a short expression of such an idea and I think a happy one.