21.   May the next player, coach, sportswriter or broadcaster who mangles this simple concept be sentenced to life listening to Abba.

22.   Moreover, religious themes kept overlapping with what they thought were simple extraterrestrial concepts.

23.   Schwab said this was really a simple concept, but one that investors need to be reminded of given recent market gyrations.

24.   Seems like a simple concept.

25.   That simple concept is what Dr. William H. Thomas says will end loneliness and helplessness among residents of long-term care facilities.

26.   That seems such a simple concept to grasp.

27.   THE CHAIR AS RECLINER used to be a relatively simple concept.

28.   The common thread throughout the evening is the very simple concept of love.

29.   The short story ought to fit one simple concept.

30.   The substance of the debate can probably be boiled down to a few simple concepts.