11.   Most of the time I try to inject humor into my observations about family life, but sometimes my columns are quite serious.

12.   Sometimes, humor is injected in the solemn occasion.

13.   The president jovially injected humor into the question-and-answer session on three occasions.

14.   Trying to inject some humor into the debate, Bullock said he was pleased to hear a news report on the radio Monday night about the Suffolk campaign.

15.   During his long career in radio, film and television, Kennedy earned a reputation as an accomplished director who injected humor into the traditionally straight-laced Western film.

16.   He also injects a little humor now and then.